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opennurbs/opennurbs_textiterator.cpp
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2024-08-22 01:43:04 -07:00

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//
// Copyright (c) 1993-2022 Robert McNeel & Associates. All rights reserved.
// OpenNURBS, Rhinoceros, and Rhino3D are registered trademarks of Robert
// McNeel & Associates.
//
// THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.
// ALL IMPLIED WARRANTIES OF FITNESS FOR ANY PARTICULAR PURPOSE AND OF
// MERCHANTABILITY ARE HEREBY DISCLAIMED.
//
// For complete openNURBS copyright information see <http://www.opennurbs.org>.
//
////////////////////////////////////////////////////////////////
#include "opennurbs.h"
#if !defined(ON_COMPILING_OPENNURBS)
// This check is included in all opennurbs source .c and .cpp files to insure
// ON_COMPILING_OPENNURBS is defined when opennurbs source is compiled.
// When opennurbs source is being compiled, ON_COMPILING_OPENNURBS is defined
// and the opennurbs .h files alter what is declared and how it is declared.
#error ON_COMPILING_OPENNURBS must be defined when compiling opennurbs
#endif
#include "opennurbs_textiterator.h"
static bool IsAtoZ(ON__UINT32 ch)
{
return ( ch < 0xD800 && iswalpha((wchar_t)ch)) ? true : false;
}
//static bool IsHexDigit(ON__UINT32 ch)
//{
// if ( '0' <= ch && ch <= '9')
// return true;
// if ( 'A' <= ch && ch <= 'F')
// return true;
// if ( 'a' <= ch && ch <= 'f')
// return true;
// return false;
//}
static bool IsDigit(ON__UINT32 ch)
{
return ( ch < 0xD800 && iswdigit((wchar_t)ch)) ? true : false;
}
// Rtf tagnames
static const wchar_t* tagRtf = L"rtf";
static const wchar_t* tagFontTable = L"fonttbl";
static const wchar_t* tagDefaultFont = L"deff";
static const wchar_t* tagFont = L"f";
static const wchar_t* tagFontSize = L"fs";
static const wchar_t* tagCharSet = L"fcharset";
static const wchar_t* tagCodePage = L"cpg";
static const wchar_t* tagNewline = L"line";
static const wchar_t* tagParagraph = L"par";
static const wchar_t* tagParagraphDefaults = L"pard";
static const wchar_t* tagSection = L"sect";
static const wchar_t* tagTabulator = L"tab";
static const wchar_t* tagBold = L"b";
static const wchar_t* tagItalic = L"i";
static const wchar_t* tagUnderLine = L"ul";
static const wchar_t* tagUnderLineNone = L"ulnone";
static const wchar_t* tagStrikeThrough = L"strike";
static const wchar_t* tagSuperscript = L"super";
static const wchar_t* tagSubscript = L"sub";
static const wchar_t* tagNoSuperSub = L"nosupersub";
//static const wchar_t* tagAlignLeft = L"ql";
//static const wchar_t* tagAlignCenter = L"qc";
//static const wchar_t* tagAlignRight = L"qr";
//static const wchar_t* tagAlignJustify = L"qj";
static const wchar_t* tagColorTable = L"colortbl";
static const wchar_t* tagColorRed = L"red";
static const wchar_t* tagColorGreen = L"green";
static const wchar_t* tagColorBlue = L"blue";
static const wchar_t* tagColorForeground = L"cf";
static const wchar_t* tagColorBackground = L"cb";
//static const wchar_t* tagColorBackgroundWord = L"chcbpat";
//static const wchar_t* tagColorHighlight = L"highlight";
// Some Rhino specific optional tags
//static const wchar_t* tagExColorTable = L"expandedcolortbl";
//static const wchar_t* tagTextHeight = L"h"; // not rtf
static const wchar_t* tagStackFraction = L"stackheight"; // not rtf - scale factor for text height in stacked text
static const wchar_t* tagStackText = L"stack"; // not rtf - begin stacked fraction
static const wchar_t* tagStackEnd = L"stnone"; // not rtf - end stacked fraction
static const wchar_t* tagField = L"field";
static const wchar_t* tagUniCpCount = L"uc"; // #bytes used following \uN for codepage code of equivalenet char
static const wchar_t* tagUniCharDec = L"u"; // UNICODE UTF-16 encoded value as a signed short (0x8...) will be -....
// NOTE WELL: When a single UNICODE code point requires a UTF-16
// surrogate pair encoding, there will be TWO \uXXXX? values for that code point.
// For example, the single UNICODE code point
// ON_UnicodeCodePoint::Wastebasket U+1F5D1 (decimal 128465)
// The UTF-16 surrogate pair for U+1F5D1 is (0xD83D, 0xDDD1) and this
// value in RTF looks like ...{\ltrch \u-10179?\u-8751?}...
// -10179 as a signed 2 byte short has the same bits as unsigned short 0xD83D.
// -8751 as a signed 2 byte short has the same bits as unsigned short 0xDDD1.
// Many "emoji glyphs" UNICODE code points require UTF-16 surrogate pair encodings.
static const wchar_t* tagUniTwoDest = L"upr"; // two embedded unicode destinations
static const wchar_t* tagUniDest = L"ud"; // unicode destination
// Characters typed with Alt+0123
// \lquote \rquote \ldblquote \rdblquote \bullet \endash \emdash
static const wchar_t* taglquote = L"lquote"; // left quote
static const wchar_t* tagrquote = L"rquote"; // right quote
static const wchar_t* tagldblquote = L"ldblquote"; // left double quote
static const wchar_t* tagrdblquote = L"rdblquote"; // right double quote
static const wchar_t* tagbullet = L"bullet"; // bullet
static const wchar_t* tagendash = L"endash"; // endash
static const wchar_t* tagemdash = L"emdash"; // emdash
#pragma region TextIterator
ON_TextIterator::ON_TextIterator(const ON_wString& str)
: m_text(str.Array())
, m_length(str.Length())
{
Step(); // Make first character in the string current
}
ON_TextIterator::ON_TextIterator(const wchar_t* str, size_t length)
: m_text(str)
, m_length(length)
{
Step(); // Make first character in the string current
}
bool ON_TextIterator::Step()
{
// Get the next UNICODE code point encoded in m_text beginning at m_text[m_next_text_ci];
// Save this code point in m_cur_codepoint.
if(m_next_text_ci < m_length)
{
m_ue.m_error_status = 0;
ON__UINT32 codepoint = 0;
// Works on Windows, Apple, and any other platform.
const int ci = ON_DecodeWideChar((m_text+m_next_text_ci), (int)(m_length-m_next_text_ci), &m_ue, &codepoint);
if(ci > 0)
{
m_prev_text_ci = m_cur_text_ci;
m_cur_text_ci = m_next_text_ci;
m_next_text_ci = m_next_text_ci+ci;
m_prev_codepoint = m_cur_codepoint;
m_cur_codepoint = codepoint;
return true;
}
}
m_prev_codepoint = m_cur_codepoint;
m_cur_codepoint = 0;
return false;
}
bool ON_TextIterator::PeekCodePoint(ON__UINT32& unicode_code_point) const
{
unicode_code_point = m_cur_codepoint;
return (0 != unicode_code_point);
}
bool ON_TextIterator::ReadCodePoint(ON__UINT32& unicode_code_point)
{
unicode_code_point = m_cur_codepoint;
Step();
return (0 != unicode_code_point);
}
bool ON_TextIterator::Back()
{
if(m_prev_text_ci == m_cur_text_ci)
{
// fancy backup in wchar_t string
}
m_next_text_ci = m_cur_text_ci;
m_cur_text_ci = m_prev_text_ci;
m_cur_codepoint = m_prev_codepoint;
return true;
}
static bool Internal_IsHexDigit(ON__UINT32 x)
{
return ((x >= '0' && x <= '9') || (x >= 'A' && x <= 'F') || (x >= 'a' && x <= 'f'));
}
static ON__UINT32 Internal_IsHexValue(ON__UINT32 x)
{
if (x >= '0' && x <= '9')
return (x - '0');
if (x >= 'A' && x <= 'F')
return x - 'A' + 10;
if (x >= 'a' && x <= 'f')
return x - 'a' + 10;
return 0xFFFFFFFF;
}
bool ON_TextIterator::AtBackslashTic() const
{
return (
ON_UnicodeCodePoint::ON_Backslash == m_cur_codepoint
&& m_next_text_ci < m_length
&& '\'' == m_text[m_next_text_ci]
);
}
bool ON_TextIterator::ReadCharValue(
unsigned char& c
)
{
for(;;)
{
ON__UINT32 buffer[4];
if (false == ReadCodePoint(buffer[0]))
break;
if (ON_UnicodeCodePoint::ON_Backslash != buffer[0])
break;
if (false == ReadCodePoint(buffer[1]))
break;
if ('\'' != buffer[1])
break;
if (false == ReadCodePoint(buffer[2]))
break;
if (false == Internal_IsHexDigit(buffer[2]))
break;
if (false == ReadCodePoint(buffer[3]))
break;
if (false == Internal_IsHexDigit(buffer[3]))
break;
ON__UINT32 x = 16 * Internal_IsHexValue(buffer[2]) + Internal_IsHexValue(buffer[3]);
if (x > 255)
break;
c = (unsigned char)x;
return true;
}
c = 0;
return false;
}
ON__UINT32 ON_RtfParser::Internal_ParseMBCSString( const ON__UINT32 windows_code_page )
{
ON__UINT32 count = 0;
bool bParsed = false;
ON_String mbcs;
mbcs.ReserveArray(64);
while (m_ti.AtBackslashTic())
{
count++;
unsigned char c;
bParsed = m_ti.ReadCharValue(c);
if (false == bParsed)
break;
mbcs.Append((const char*)(&c), 1);
}
const char* sMBCS = static_cast<const char*>(mbcs);
int sMBCS_count = mbcs.Length();
wchar_t* sWideChar = nullptr;
int sWideChar_capacity = 0;
unsigned int error_status = 0;
if (nullptr != sMBCS && 0 != sMBCS[0] && sMBCS_count > 0)
{
const int sWideChar_count0 = ON_ConvertMSMBCPToWideChar(
windows_code_page,
sMBCS,
sMBCS_count,
sWideChar,
sWideChar_capacity,
&error_status
);
if (sWideChar_count0 > 0)
{
sWideChar_capacity = sWideChar_count0 + 2;
sWideChar = new wchar_t[sWideChar_capacity];
if (nullptr != sWideChar)
{
memset(sWideChar, 0, sWideChar_capacity * sizeof(sWideChar[0]));
}
error_status = 0;
const int sWideChar_count1 = ON_ConvertMSMBCPToWideChar(
windows_code_page,
sMBCS,
sMBCS_count,
sWideChar,
sWideChar_capacity-1,
&error_status
);
if (sWideChar_count1 > 0 && 0 != sWideChar[0] && 0 == sWideChar[sWideChar_capacity - 1])
{
int delta_i = sWideChar_count1;
for (int i = 0; i < sWideChar_count1; i += delta_i)
{
struct ON_UnicodeErrorParameters e = ON_UnicodeErrorParameters::MaskErrors;
ON__UINT32 unicode_code_point = ON_UnicodeCodePoint::ON_ReplacementCharacter;
delta_i = ON_DecodeWideChar(sWideChar + i, sWideChar_count1 - i, &e, &unicode_code_point);
if (delta_i <= 0)
{
bParsed = false;
break;
}
m_builder.AppendCodePoint(unicode_code_point);
}
}
delete[] sWideChar;
sWideChar = nullptr;
}
}
if (false == bParsed)
m_builder.AppendCodePoint(ON_UnicodeCodePoint::ON_ReplacementCharacter);
return count;
}
#pragma endregion TextIterator
#pragma region TextBuilder
ON_TextBuilder::~ON_TextBuilder()
{}
ON_TextBuilder::ON_TextBuilder()
: m_current_codepoints(16)
{
m_current_UTF16_buffer_count = 0;
m_current_UTF16_buffer[0] = 0;
m_current_UTF16_buffer[1] = 0;
}
void ON_TextBuilder::InitBuilder(const ON_Font* default_font)
{
m_in_run = 0;
m_level = 0;
m_font_table_level = 100000;
m_current_codepoints.Empty();
}
void ON_TextBuilder::GroupBegin()
{
m_level++;
}
void ON_TextBuilder::GroupEnd()
{
//if(m_font_table_level >= m_level)
// m_font_table_level = -1;
m_level--;
}
void ON_TextBuilder::RunBegin()
{
}
void ON_TextBuilder::RunEnd()
{
}
bool ON_TextBuilder::ReadingFontTable()
{
return (m_level >= m_font_table_level);
}
bool ON_TextBuilder::ReadingFontDefinition()
{
return m_bReadingFontDefinition;
}
void ON_TextBuilder::SetReadingFontDefinition(bool b)
{
m_bReadingFontDefinition = b;
}
void ON_TextBuilder::FinishFontDef()
{
SetReadingFontDefinition(false);
}
void ON_TextBuilder::FlushText(size_t count, ON__UINT32* cp)
{
}
void ON_TextBuilder::BeginFontTable()
{
m_font_table_level = m_level;
}
void ON_TextBuilder::BeginHeader()
{
}
// Sets m_default_font_index when \deffn is read.
void ON_TextBuilder::DefaultFont(const wchar_t* value)
{
ON__INT32 nval = -1;
const wchar_t* sp = ON_wString::ToNumber(value, nval, &nval);
if(nval >= 0 && sp > value)
m_default_font_index = nval;
}
// Process a rtf \fn tag to set the current font to the nth font in the rtf font table
void ON_TextBuilder::FontTag(const wchar_t* value)
{
ON__INT32 nval = -1;
const wchar_t* sp = ON_wString::ToNumber(value, nval, &nval);
if(nval >= 0 && sp > value)
{
//if(m_font_table_level >= 0 &&
// m_level >= m_font_table_level)
if(ReadingFontTable())
{
// Defining a font in the font table
// n in \fn is the rtf index of the font currently being read from the table
// store a mapping from \fn to font
// when the font for this font table entry is made
m_font_index = nval;
// next will be a face name that will be read and put in a fontdef run
}
//else
//{
// // Not defining the font table. Rather, setting a font current
// // Set current font to font corresponding to font_index
//}
}
return;
}
const ON_wString ON_TextBuilder::FaceNameFromMap(int nval)
{
int count = m_facename_map.Count();
for (int mi = 0; mi < count; mi++)
{
if (m_facename_map[mi].m_rtf_font_index == nval)
return m_facename_map[mi].m_rtf_font_name;
}
return ON_wString::EmptyString;
}
unsigned int ON_TextBuilder::CodePageFromMap(int nval)
{
int count = m_facename_map.Count();
for (int mi = 0; mi < count; mi++)
{
if (m_facename_map[mi].m_rtf_font_index == nval)
return m_facename_map[mi].m_codepage;
}
return 1252;
}
unsigned int ON_TextBuilder::CharSetFromMap(int nval)
{
int count = m_facename_map.Count();
for (int mi = 0; mi < count; mi++)
{
if (m_facename_map[mi].m_rtf_font_index == nval)
return m_facename_map[mi].m_charset;
}
return 0;
}
void ON_TextBuilder::FontSize(const wchar_t* value)
{
}
void ON_TextBuilder::CharSet(const wchar_t* value) // \fcharsetN
{
unsigned int charset = 0;
const wchar_t* sp = ON_wString::ToNumber(value, charset, &charset);
if (sp > value)
{
//if (m_font_table_level >= 0 && m_level >= m_font_table_level)
if(ReadingFontDefinition())
{
// This is a charset specification in a font definition in the font table
// the value is convertible to a codepage to use for interpreting the text chars
// using this font into unicode points
m_current_props.SetCharSet(charset, true);
}
}
}
void ON_TextBuilder::CodePage(const wchar_t* value) // \cpgN
{
unsigned int codepage = 0;
const wchar_t* sp = ON_wString::ToNumber(value, codepage, &codepage);
if (sp > value)
{
//if (m_font_table_level >= 0 && m_level >= m_font_table_level)
if(ReadingFontDefinition())
{
// This is a codepage specification in a font definition in the font table
m_current_props.SetCodePage(codepage);
}
}
}
void ON_TextBuilder::Newline()
{
}
void ON_TextBuilder::Paragraph()
{
}
void ON_TextBuilder::ParagraphDefaults()
{
}
void ON_TextBuilder::Section()
{
}
void ON_TextBuilder::Tab()
{
}
void ON_TextBuilder::Bold(const wchar_t* value)
{
}
void ON_TextBuilder::Italic(const wchar_t* value)
{
}
void ON_TextBuilder::UnderlineOn()
{
}
void ON_TextBuilder::UnderlineOff()
{
}
void ON_TextBuilder::Strikethrough(const wchar_t* value)
{
}
void ON_TextBuilder::Superscript()
{
}
void ON_TextBuilder::Subscript()
{
}
void ON_TextBuilder::NoSuperSub()
{
}
void ON_TextBuilder::BeginColorTable()
{
}
void ON_TextBuilder::ColorRed(const wchar_t* value)
{
}
void ON_TextBuilder::ColorGreen(const wchar_t* value)
{
}
void ON_TextBuilder::ColorBlue(const wchar_t* value)
{
}
void ON_TextBuilder::ColorForeground(const wchar_t* value)
{
}
void ON_TextBuilder::ColorBackground(const wchar_t* value)
{
}
void ON_TextBuilder::SetStackScale(const wchar_t* value)
{
}
void ON_TextBuilder::StackFraction(const wchar_t* value)
{
}
void ON_TextBuilder::StackEnd()
{
}
void ON_TextBuilder::TextField(const wchar_t* name)
{
}
ON__UINT32* ON_TextBuilder::RunCodePoints(const ON_TextRun& run)
{
return run.m_codepoints;
}
void ON_TextBuilder::UniCpCount(const wchar_t* value)
{
// Dale Lear April 2018 - This code does absolutely nothing useful- commenting all of it out.
//// #bytes used following \uN for codepage code of equivalenet char
//short count = 1, d = ON_DBL_QNAN;
//const wchar_t* sp = ON_wString::ToNumber(value, d, &d);
//if (sp > value)
// count = d;
}
void ON_TextBuilder::UniDecimal(const wchar_t* value)
{
// UTF-16 encoding value as a decimal, possibly signed negative
// unicode char in decimal followed by ascii char(s) (to skip if unicode can't be digested) :
// \u1472? means char at unicode point 1472, or '?' as a fallback ascii char to substitute.
// the decimal value may be written as a negative number: \u-2671? and should be cast to unsigned.
ON__UINT16 u = 0;
const wchar_t* sp = nullptr;
for (;;)
{
// For example, the single UNICODE code point ON_UnicodeCodePoint::Wastebasket U+1F5D1 (decimal 128465)
//
// As of March 2018:
// RTF from Windows 10 controls are using signed shorts with question mark as the ASCII fallback char
// Wastebasket = "\u-10179?\u-8751?"
// \u-10179? -> unsigned short 0xD83D
// \u-8751? -> unsigned short 0xDDD1
// UTF-16 surrogate pair is (0xD83D, 0xDDD1) -> U+1F5D1 = UNICODE wastebasket glyph
// RTF from MacOS controls are using unsigned shorts with a space as the ASCII fallback char
// Wastebasket = "\u55357 \u56785 "
// \u55357 -> unsigned short 0xD83D
// \u56785 -> unsigned short 0xDDD1
// UTF-16 surrogate pair is (0xD83D, 0xDDD1) -> UNICODE code point U+1F5D1 = wastebasket glyph
short signed_short = 0;
sp = ON_wString::ToNumber(value, signed_short, &signed_short);
if (nullptr != sp && sp > value)
{
// value is either positive or a negative in short range
u = (unsigned short)signed_short;
break;
}
unsigned short unsigned_short = 0;
sp = ON_wString::ToNumber(value, unsigned_short, &unsigned_short);
if (nullptr != sp && sp > value && unsigned_short > 32767)
{
// value is a unsigned short too large to be a signed short.
u = unsigned_short;
break;
}
if (0 == m_current_UTF16_buffer_count)
{
// No doubt, we will eventually encounter RTF will using unsigned UTF-32 values.
unsigned int u32 = 0;
sp = ON_wString::ToNumber(value, u32, &u32);
if (nullptr != sp && sp > value && u32 > 0xffff && ON_IsValidUnicodeCodePoint(u32) )
{
// value is a unsigned int too large to be an unsigned short.
AppendCodePoint(u32);
return;
}
}
// probably an error in the RTF or a bug in this parsing code.
sp = nullptr;
break;
}
// Often *sp = '?' (question mark) on Windows and ' ' (space) on MacOS,
// but that is not required if some other ASCII fallback char is used.
if (nullptr != sp && sp > value)
{
bool bError = false;
const ON__UINT32 error_cp = ON_UnicodeCodePoint::ON_ReplacementCharacter;
const ON__UINT16 waiting_mark = ON_TextBuilder::m_UFT16_waiting_mark;
const ON__UINT16 unused_mark = ON_TextBuilder::m_UFT16_unused_mark;
const bool bHaveFirstSurrogate
= (1 == m_current_UTF16_buffer_count
&& m_current_UTF16_buffer[0] >= 0xD800
&& m_current_UTF16_buffer[0] < 0xDC00
&& waiting_mark == m_current_UTF16_buffer[1]);
ON__UINT32 cp = 0;
// Mar 3, 2017 Dale Lear
// Attempt to support handling of UTF-16 surrogate pairs without
// rewriting the RTF parser.
// For example, the single UNICODE code point ON_UnicodeCodePoint::Wastebasket U+1F5D1 (decimal 128465)
// is in the RTF string as ...{\ltrch \u-10179?\u-8751?}...
// The UTF-16 surrogate pair is (0xD83D, 0xDDD1) and this value decodes to the single UNICODE code point U+1F5D1
// \u-10179? -> unsigned short 0xD83D
// \u-8751? -> unsigned short 0xDDD1
if (u >= 0xD800 && u < 0xDC00)
{
if (bHaveFirstSurrogate)
{
// never got the second value for the pair
//m_current_codepoints.Append(error_cp);
AppendCodePoint(error_cp);
}
if (0 == m_current_UTF16_buffer_count)
{
m_current_UTF16_buffer_count = 1;
m_current_UTF16_buffer[0] = u;
m_current_UTF16_buffer[1] = waiting_mark;
return; // we need the second surrogate pair value before we can decode
}
bError = true;
}
else if (u >= 0xDC00 && u < 0xE000)
{
if (bHaveFirstSurrogate)
{
m_current_UTF16_buffer_count = 2;
m_current_UTF16_buffer[1] = u;
}
else
{
// We should have gotten the second value for the pair
bError = true;
}
}
else
{
if (bHaveFirstSurrogate)
{
// never got the second value for the pair
m_current_codepoints.Append(error_cp);
}
m_current_UTF16_buffer_count = 1;
m_current_UTF16_buffer[0] = u;
m_current_UTF16_buffer[1] = unused_mark;
}
if (false == bError)
{
ON_UnicodeErrorParameters e;
e.m_error_code_point = error_cp;
e.m_error_mask = 16;
e.m_error_status = 0;
const int rc = ON_DecodeUTF16(m_current_UTF16_buffer, m_current_UTF16_buffer_count, &e, &cp);
bError = (m_current_UTF16_buffer_count != rc || false == ON_IsValidUnicodeCodePoint(cp));
}
if (bError)
cp = error_cp;
//m_current_codepoints.Append(cp);
AppendCodePoint(cp);
m_current_UTF16_buffer_count = 0;
m_current_UTF16_buffer[0] = unused_mark;
m_current_UTF16_buffer[1] = unused_mark;
}
}
void ON_TextBuilder::UniEmbeddedDest(const wchar_t* value)
{
// two embedded unicode destinations - footnote, etc in rtf document
}
void ON_TextBuilder::UniDest(const wchar_t* value)
{
// unicode destination
}
void ON_TextBuilder::LQuote()
{
m_current_codepoints.Append(0x2018);
}
void ON_TextBuilder::RQuote()
{
m_current_codepoints.Append(0x2019);
}
void ON_TextBuilder::LDblQuote()
{
m_current_codepoints.Append(0x201c);
}
void ON_TextBuilder::RDblQuote()
{
m_current_codepoints.Append(0x201d);
}
void ON_TextBuilder::Bullet()
{
m_current_codepoints.Append(0x2022);
}
void ON_TextBuilder::EnDash()
{
m_current_codepoints.Append(0x2013);
}
void ON_TextBuilder::EmDash()
{
m_current_codepoints.Append(0x2014);
}
bool ON_TextBuilder::AppendCodePoint(ON__UINT32 codept)
{
m_current_codepoints.Append(codept);
return true;
}
void ON_TextBuilder::FormatChange()
{
}
#pragma endregion // TextBuilder
#pragma region TextRunBuilder
ON_TextRunBuilder::~ON_TextRunBuilder()
{}
ON_TextRunBuilder::ON_TextRunBuilder(
ON_TextContent& text,
ON_TextRunArray& runs,
const ON_DimStyle* dimstyle,
double height,
ON_Color color)
: m_runs(runs)
, m_text(text)
{
m_current_UTF16_buffer_count = 0;
m_current_UTF16_buffer[0] = 0;
m_current_UTF16_buffer[1] = 0;
if (nullptr == dimstyle)
dimstyle = &ON_DimStyle::Default;
const ON_Font& style_font = dimstyle->Font(); // this is always a managed font
double stackscale = dimstyle->StackHeightScale();
ON_DimStyle::stack_format stackformat = dimstyle->StackFractionFormat();
bool bold = dimstyle->Font().IsBoldInQuartet();
bool italic = dimstyle->Font().IsItalic();
bool underlined = dimstyle->Font().IsUnderlined();
bool strikethrough = dimstyle->Font().IsStrikethrough();
this->SetCurrentFont(&style_font);
m_current_props.SetColor(color);
m_current_props.SetHeight(height);
m_current_props.SetStackScale(stackscale);
m_current_props.SetStackFormat(stackformat);
m_current_props.SetBold(bold);
m_current_props.SetItalic(italic);
m_current_props.SetUnderlined(underlined);
m_current_props.SetStrikethrough(strikethrough);
m_current_run.Init(
CurrentFont(),
height,
stackscale,
color,
bold,
italic,
underlined,
strikethrough);
}
void ON_TextRunBuilder::InitBuilder(const ON_Font* default_font)
{
if (nullptr == default_font)
default_font = &ON_Font::Default;
if (nullptr == default_font)
return;
this->SetCurrentFont(default_font); // copy of default_font
m_in_run = 0;
m_level = 0;
m_font_table_level = 10000;
m_runs = ON_TextRunArray::EmptyArray;
m_current_run.Init(this->CurrentFont(), m_current_props.Height(), m_current_props.StackScale(), m_current_props.Color(),
m_current_props.IsBold(), m_current_props.IsItalic(), m_current_props.IsUnderlined(), m_current_props.IsStrikethrough());
// Array for accumulating text codepoints
m_current_codepoints.Empty();
}
void ON_TextRunBuilder::AppendCurrentRun()
{
//if(m_current_run.IsValid())
{
ON_TextRun* run = ON_TextRun::GetManagedTextRun(m_current_run);
if (0 != run)
{
m_runs.AppendRun(run);
}
m_current_run.Init(this->CurrentFont(), m_current_props.Height(), m_current_props.StackScale(), m_current_props.Color(),
m_current_props.IsBold(), m_current_props.IsItalic(), m_current_props.IsUnderlined(), m_current_props.IsStrikethrough());
}
}
bool ON_TextRunBuilder::AppendCodePoint(ON__UINT32 codept)
{
if (m_current_codepoints.Count() == 0 && m_current_run.IsStacked() != ON_TextRun::Stacked::kStacked)
{
const ON_TextRun::Stacked stacked = m_current_run.IsStacked();
// First codepoint in a run after format changes
m_current_run.Init(this->CurrentFont(), m_current_props.Height(), m_current_props.StackScale(), m_current_props.Color(),
m_current_props.IsBold(), m_current_props.IsItalic(), m_current_props.IsUnderlined(), m_current_props.IsStrikethrough());
if (ON_TextRun::Stacked::kTop == stacked || ON_TextRun::Stacked::kBottom == stacked)
{
m_current_run.SetStacked(stacked);
}
}
m_current_codepoints.Append(codept);
return true;
}
void ON_TextRunBuilder::FormatChange()
{
int cp32_count = m_current_codepoints.Count();
if (cp32_count > 0)
{
FlushText(cp32_count, m_current_codepoints.Array());
m_current_codepoints.Empty();
FinishCurrentRun();
}
}
#ifndef ON_TEXT_BRACKET_FRACTION
static bool FindFrac(const wchar_t* wstr, int start, int spos, int& topstart, int& bottomend)
{
if (spos < start + 1)
return false;
int len = (int)wcslen(wstr);
if (spos > len - 2)
return false;
topstart = spos;
bottomend = spos;
for (int i = spos; i > start && isdigit(wstr[i - 1]); i--)
{
topstart = i - 1;
}
bottomend = spos;
for (int i = spos; i < len - 1 && isdigit(wstr[i + 1]); i++)
{
bottomend = i + 1;
}
if (topstart == spos || bottomend == spos)
return false;
if (topstart > start + 2 && isdigit(wstr[topstart - 2]))
{//drop leading space
}
if (bottomend < len - 2 && isdigit(wstr[bottomend + 2]))
{// drop trailing space
}
return true;
}
typedef struct tagFract
{
int start;
int slash;
int end;
} Fraction;
static void FindFractions(ON_TextRun* run, ON_SimpleArray<Fraction>& fractlist)
{
if (nullptr == run)
return;
size_t cpcount = ON_TextRun::CodepointCount(run->UnicodeString());
if (0 != cpcount)
{
ON_wString str;
ON_TextContext::ConvertCodepointsToString((int)cpcount, run->UnicodeString(), str);
if (!str.IsEmpty())
{
const wchar_t* wstr = str.Array();
int len = str.Length();
int start = 0;
int topstart = -1;
int bottomend = -1;
int i = 0;
while (i < len && 0 != wstr[i])
{
if (wstr[i] == L'/')
{
if (FindFrac(wstr, start, i, topstart, bottomend))
{
Fraction& fract = fractlist.AppendNew();
fract.start = topstart;
fract.end = bottomend;
fract.slash = i;
i = bottomend;
start = bottomend + 1;
}
}
i++;
}
}
}
}
#endif
void ON_TextRunBuilder::FinishCurrentRun()
{
//int cplen = m_current_run.m_codepoint_idx.j - m_current_run.m_codepoint_idx.i;
if (m_current_run.Type() == ON_TextRun::RunType::kText ||
m_current_run.Type() == ON_TextRun::RunType::kField ||
m_current_run.Type() == ON_TextRun::RunType::kNewline ||
m_current_run.Type() == ON_TextRun::RunType::kParagraph)
{
// Finish off the text run -
// Text string is already stored in m_codepoints
// Find or make a managed font like the current one
// and store that pointer on the run
if (nullptr == this->CurrentFont())
this->SetCurrentFont(&ON_Font::Default);
const ON_Font* pManagedFont = this->CurrentFont()->ManagedFont();
if (nullptr != pManagedFont)
{
m_current_run.SetFont(pManagedFont);
m_current_run.SetColor(m_current_props.Color());
m_current_run.SetTextHeight(m_current_props.Height());
m_current_run.SetStackFractionHeight(m_current_props.StackScale());
}
#ifndef ON_TEXT_BRACKET_FRACTION
ON_SimpleArray<Fraction> fractlist;
int fcount = 0;
if (ON_DimStyle::stack_format::None != m_current_props.StackFormat())
{
FindFractions(&m_current_run, fractlist);
fcount = fractlist.Count();
}
if (0 < fcount)
{
int cpos = 0;
int cpcount = (int)ON_TextRun::CodepointCount(m_current_run.m_codepoints);
ON__UINT32* cpts = (ON__UINT32*)onmalloc((1 + cpcount) * sizeof(ON__UINT32));
memcpy(cpts, m_current_run.m_codepoints, (1 + cpcount) * sizeof(ON__UINT32));
for (int i = 0; i < fcount; i++)
{
Fraction& f = fractlist[i];
if (f.start >= cpos)
{
int k = f.start;
// If the last char before the fraction is a space
// and the char before that is a digit, drop the space
if (f.start > 1 && isdigit(cpts[f.start - 1]))
k = f.start - 1;
m_current_run.SetUnicodeString(k - cpos, cpts + cpos);
AppendCurrentRun();
cpos = f.start;
m_current_run.SetUnicodeString(f.end - f.start + 1, cpts + cpos);
if (m_current_props.StackFormat() != ON_DimStyle::stack_format::None)
m_current_run.SetStacked(ON_TextRun::Stacked::kStacked);
else
m_current_run.SetStacked(ON_TextRun::Stacked::kNone);
AppendCurrentRun();
m_current_run.SetStacked(ON_TextRun::Stacked::kNone);
cpos = f.end + 1;
}
}
if (cpos < cpcount)
{
m_current_run.SetUnicodeString(cpcount - cpos, cpts + cpos);
AppendCurrentRun();
}
}
else
#endif // 0
AppendCurrentRun();
}
}
static bool IsValidFontName(const ON_wString& name)
{
// Test to prevent making fonts named "(varies)"
if (L'(' == name[0] && L')' == name[name.Length()-1])
return false;
return true;
}
void ON_TextRunBuilder::FinishFontDef()
{
if (ReadingFontDefinition())
{
int cp32_count = m_current_codepoints.Count();
if (cp32_count > 0)
{
FlushText(cp32_count, m_current_codepoints.Array());
m_current_codepoints.Empty();
}
// String is a font "facename" (In reality the "facename" it can be a PostScript name, a LOGFONT.lfFaceName,
// or a DWrite family name - depending on who is making the RTF).
// Make a font with that facename and a font definition run
size_t cpcount = ON_TextRun::CodepointCount(RunCodePoints(m_current_run));
if (0 != cpcount)
{
ON_wString rtf_fontname_string;
ON_TextContext::ConvertCodepointsToString((int)cpcount, RunCodePoints(m_current_run), rtf_fontname_string);
if (!rtf_fontname_string.IsEmpty())
{
rtf_fontname_string.Remove(L';'); // facename delimiter from rtf
if (!IsValidFontName(rtf_fontname_string))
{
ON_ERROR("Invalid font name found in rtf string");
rtf_fontname_string = ON_Font::Default.RichTextFontName();
if (rtf_fontname_string.IsEmpty())
rtf_fontname_string = L"Arial";
}
// Dale Lear - March 2021 - RH-62974
// There are multiple places in the text run, rich text parsing, and Rhino UI code
// that need find a font from rich text properties.
// They must all do it the same way. If for some reason, you must change this call,
// please take the time to create a single function that replaces this call, search
// for all the places ON_Font::FontFromRichTextProperties is called in
// src4/rhino/...
// opennurbs_textrun.cpp
// opennurbs_textiterator.cpp
// and replace every call to ON_Font::FontFromRichTextProperties with a call to
// your new function.
//
// This needs to be the regular face of the rich text quartet.
const ON_Font* managed_font = ON_Font::FontFromRichTextProperties(rtf_fontname_string,false,false,false,false);
if (nullptr == managed_font)
managed_font = &ON_Font::Default;
rtf_fontname_string = managed_font->RichTextFontName();
ON_FaceNameKey& fn_key = m_facename_map.AppendNew();
fn_key.m_rtf_font_index = m_font_index;
fn_key.m_rtf_font_name = rtf_fontname_string;
fn_key.m_codepage = m_current_props.CodePage();
fn_key.m_charset = m_current_props.CharSet();
}
}
if (m_current_run.Type() == ON_TextRun::RunType::kFontdef && m_level == m_font_table_level)
{
if (m_font_stack.Count() > 0 && m_prop_stack.Count() > 0)
{
this->SetCurrentFont(*m_font_stack.Last()); // pop
m_font_stack.Remove();
m_current_props = *m_prop_stack.Last(); // pop
m_prop_stack.Remove();
}
m_current_run.Init(this->CurrentFont(), m_current_props.Height(), m_current_props.StackScale(), m_current_props.Color(),
m_current_props.IsBold(), m_current_props.IsItalic(), m_current_props.IsUnderlined(), m_current_props.IsStrikethrough());
}
SetReadingFontDefinition(false);
}
}
void ON_TextRunBuilder::GroupBegin() // {
{
int cp32_count = m_current_codepoints.Count();
if (cp32_count > 0)
{
FlushText(cp32_count, m_current_codepoints.Array());
m_current_codepoints.Empty();
}
FinishCurrentRun();
m_level++;
// m_current_font starts out as the value from the text object
m_font_stack.Append(this->CurrentFont()); // push prev current font
m_prop_stack.Append(m_current_props); // push prev current height and color
m_current_run.Init(this->CurrentFont(), m_current_props.Height(), m_current_props.StackScale(), m_current_props.Color(),
m_current_props.IsBold(), m_current_props.IsItalic(), m_current_props.IsUnderlined(), m_current_props.IsStrikethrough());
}
void ON_TextRunBuilder::GroupEnd() // '}'
{
int cp32_count = m_current_codepoints.Count();
if (cp32_count > 0)
{
FlushText(cp32_count, m_current_codepoints.Array());
m_current_codepoints.Empty();
}
FinishCurrentRun();
// Pop font and set up for next run
if (m_font_stack.Count() > 0 && m_prop_stack.Count() > 0)
{
this->SetCurrentFont(*m_font_stack.Last()); // pop
m_font_stack.Remove();
m_current_props = *m_prop_stack.Last(); // pop
m_prop_stack.Remove();
}
m_current_run.Init(this->CurrentFont(), m_current_props.Height(), m_current_props.StackScale(), m_current_props.Color(),
m_current_props.IsBold(), m_current_props.IsItalic(), m_current_props.IsUnderlined(), m_current_props.IsStrikethrough());
if (m_level <= m_font_table_level)
m_font_table_level = 10000;
m_level--;
}
void ON_TextRunBuilder::RunBegin() // like { with no pushing properties
{
int cp32_count = m_current_codepoints.Count();
if (cp32_count > 0)
{
FlushText(cp32_count, m_current_codepoints.Array());
m_current_codepoints.Empty();
}
FinishCurrentRun();
m_current_run.Init(this->CurrentFont(), m_current_props.Height(), m_current_props.StackScale(), m_current_props.Color(),
m_current_props.IsBold(), m_current_props.IsItalic(), m_current_props.IsUnderlined(), m_current_props.IsStrikethrough());
}
void ON_TextRunBuilder::RunEnd() // like '}' with no popping properties
{
int cp32_count = m_current_codepoints.Count();
if (cp32_count > 0)
{
FlushText(cp32_count, m_current_codepoints.Array());
m_current_codepoints.Empty();
}
FinishCurrentRun();
m_current_run.Init(this->CurrentFont(), m_current_props.Height(), m_current_props.StackScale(), m_current_props.Color(),
m_current_props.IsBold(), m_current_props.IsItalic(), m_current_props.IsUnderlined(), m_current_props.IsStrikethrough());
if (m_level <= m_font_table_level)
m_font_table_level = 10000;
}
void ON_TextRunBuilder::FlushText(size_t count, ON__UINT32* cp)
{
if (count < 1 || 0 == cp || 0 == cp[0])
return;
m_current_run.SetUnicodeString(count, cp);
if(ReadingFontDefinition())
{
// String is a rich text facename. Make a font from that rich text facename and a font definition run
m_current_run.SetType(ON_TextRun::RunType::kFontdef);
ON_wString str;
ON_TextContext::ConvertCodepointsToString((int)count, cp, str);
if (!str.IsEmpty())
{
str.Remove(L';'); // facename delimiter from rtf
m_current_run.SetType(ON_TextRun::RunType::kFontdef);
// This is a face name in the rich text font definition table.
// We do not have an bold/italic/underline/strikethrough attributes to apply at this stage.
const ON_Font* rtf_fonttbl_font = ON_Font::FontFromRichTextProperties(str,false,false,false,false);
if (nullptr != rtf_fonttbl_font)
this->SetCurrentFont(rtf_fonttbl_font);
}
}
else
{
// String is for a text run
m_current_run.SetType(ON_TextRun::RunType::kText);
}
#if defined(ON_DEBUG) && defined(ON_COMPILER_MSC)
if (m_current_run.IsStacked() == ON_TextRun::Stacked::kStacked)
count = count; // good place for a breakpoint
#endif
}
void ON_TextRunBuilder::BeginFontTable()
{
m_font_table_level = m_level;
}
void ON_TextRunBuilder::BeginHeader()
{
m_current_run.SetType(ON_TextRun::RunType::kHeader);
}
// Sets m_default_font_index when \deffn is read.
void ON_TextRunBuilder::DefaultFont(const wchar_t* value)
{
ON__INT32 nval = -1;
const wchar_t* sp = ON_wString::ToNumber(value, nval, &nval);
if (nval >= 0 && sp > value)
m_default_font_index = nval;
}
static const ON_Font* Internal_UpdateManagedFont(
const ON_Font* current_managed_font,
const ON_wString rtf_font_name,
bool rtf_bBold,
bool rtf_bItalic,
bool rtf_bUnderlined,
bool rtf_bStrikethrough
)
{
// insure bool compares work as expected.
if (false != rtf_bBold)
rtf_bBold = true;
if (false != rtf_bItalic)
rtf_bItalic = true;
if (false != rtf_bUnderlined)
rtf_bUnderlined = true;
if (false != rtf_bStrikethrough)
rtf_bStrikethrough = true;
if (nullptr != current_managed_font && false == current_managed_font->IsManagedFont())
current_managed_font = current_managed_font->ManagedFont();
if (nullptr == current_managed_font)
current_managed_font = &ON_Font::Default;
ON_wString local_rtf_name(rtf_font_name);
local_rtf_name.TrimLeftAndRight();
if (local_rtf_name.IsEmpty())
local_rtf_name = ON_Font::RichTextFontName(current_managed_font, true);
const ON_Font* new_managed_font = nullptr;
const bool bChangeFont = ON_wString::EqualOrdinal(local_rtf_name, ON_Font::RichTextFontName(current_managed_font, false), true)
? false // rich text face name did not change
: true // rich text face name changed.
;
const bool bChangeBold = (rtf_bBold?1:0) != (current_managed_font->IsBoldInQuartet()?1:0);
const bool bChangeItalic = (rtf_bItalic ? 1 : 0) != (current_managed_font->IsItalicInQuartet() ? 1 : 0);
const bool bChangeUnderlined = (rtf_bUnderlined?1:0) != (current_managed_font->IsUnderlined()?1:0);
const bool bChangeStrikethrough = (rtf_bStrikethrough?1:0) != (current_managed_font->IsStrikethrough()?1:0);
if (bChangeFont || bChangeBold || bChangeItalic)
{
// Dale Lear - March 2021 - RH-62974
// There are multiple places in the text run, rich text parsing, and Rhino UI code
// that need find a font from rich text properties.
// They must all do it the same way. If for some reason, you must change this call,
// please take the time to create a single function that replaces this call, search
// for all the places ON_Font::FontFromRichTextProperties is called in
// src4/rhino/...
// opennurbs_textrun.cpp
// opennurbs_textiterator.cpp
// and replace every call to ON_Font::FontFromRichTextProperties with a call to
// your new function.
//
//
// Changing rich text quartet or member in some way must always
// be done using ON_Font::FontFromRichTextProperties().
// Otherwise this code will not work right for missing fonts.
new_managed_font = ON_Font::FontFromRichTextProperties(
local_rtf_name,
rtf_bBold,
rtf_bItalic,
rtf_bUnderlined,
rtf_bStrikethrough
);
}
else if (bChangeUnderlined || bChangeStrikethrough)
{
// The same rich text quartet member with different underline/strikethrough rendering effects.
ON_Font f(*current_managed_font);
f.SetUnderlined(rtf_bUnderlined);
f.SetStrikethrough(rtf_bStrikethrough);
new_managed_font = f.ManagedFont();
}
if (nullptr != new_managed_font)
return new_managed_font;
return current_managed_font;
}
// Process a rtf \fn tag to set the current font to the nth font in the rtf font table
void ON_TextRunBuilder::FontTag(const wchar_t* value)
{
ON__INT32 nval = -1;
const wchar_t* sp = ON_wString::ToNumber(value, nval, &nval);
if (nval >= 0 && sp > value)
{
if(ReadingFontTable())
{
SetReadingFontDefinition(true);
// Defining a font in the font table
// n in \fn is the rtf index of the font currently being read from the table
// store a mapping from \fn to font
// when the font for this font table entry is made
m_font_index = nval;
// next will be a face name that will be read and put in a fontdef run
}
else
{
// Not defining the font table. Rather, setting a font current
// Set current font to font corresponding to font_index
//const ON_Font* pManagedFont = FindFontInMap(nval);
const ON_Font* pManagedFont = (nullptr == this->CurrentFont())
? &ON_Font::Default
: this->CurrentFont()->ManagedFont()
;
ON_wString rft_font_name = FaceNameFromMap(nval);
rft_font_name.TrimLeftAndRight();
const bool rtf_bBold = m_current_props.IsBold();
const bool rtf_bItalic = m_current_props.IsItalic();
const bool rtf_bUnderlined = m_current_props.IsUnderlined();
const bool rtf_bStrikethrough = m_current_props.IsStrikethrough();
pManagedFont = Internal_UpdateManagedFont(
pManagedFont,
rft_font_name,
rtf_bBold,
rtf_bItalic,
rtf_bUnderlined,
rtf_bStrikethrough
);
if (nullptr != pManagedFont)
{
this->SetCurrentFont(pManagedFont);
// Use the rtf settings to update m_current_props
// to because the current computer may not have an exact font match.
m_current_props.SetBold(rtf_bBold);
m_current_props.SetItalic(rtf_bItalic);
m_current_props.SetUnderlined(rtf_bUnderlined);
m_current_props.SetStrikethrough(rtf_bStrikethrough);
}
unsigned int charset = CharSetFromMap(nval);
m_current_props.SetCharSet(charset, true);
}
}
return; // error - need font index
}
void ON_TextRunBuilder::FontSize(const wchar_t* value)
{
// Even though there is supposed to be a way
// to decode control font height to 3d text height,
// This always uses the TextHeight from the ON_TextContent object
m_current_run.SetTextHeight(m_current_props.Height());
//wchar_t* eptr = const_cast< wchar_t* >(value);
//ON__UINT32 fs = ON_wString::ToNumber(value, &eptr, 10);
//double d = 1.0;
//if(eptr != value && fs > 0)
// d = MapControlFontSizeTo3dFontSize(fs);
//m_current_run.SetHeight(d);
//m_current_props.m_height = d;
}
void ON_TextRunBuilder::Newline()
{
m_current_run.SetType(ON_TextRun::RunType::kNewline);
}
void ON_TextRunBuilder::Paragraph()
{
m_current_run.SetType(ON_TextRun::RunType::kParagraph);
}
void ON_TextRunBuilder::ParagraphDefaults()
{
}
void ON_TextRunBuilder::Section()
{
}
void ON_TextRunBuilder::Tab()
{
for(int i = 0; i < 8; i++) AppendCodePoint((ON__UINT32)' ');
m_in_run = true;
}
void ON_TextRunBuilder::Bold(const wchar_t* value)
{
bool on = true;
if (nullptr != value)
{
if ('1' == value[0] || 0 == value[0])
on = true;
else if ('0' == value[0])
on = false;
}
if (nullptr == this->CurrentFont())
this->SetCurrentFont(&ON_Font::Default);
const ON_Font* current_font = this->CurrentFont();
if (false == current_font->IsManagedFont() || on != current_font->IsBoldInQuartet())
{
const ON_Font* managed_font = this->CurrentFont()->ManagedFamilyMemberWithRichTextProperties(
on,
current_font->IsItalicInQuartet(),
current_font->IsUnderlined(),
current_font->IsStrikethrough()
);
if (nullptr != managed_font)
this->SetCurrentFont(managed_font);
}
m_current_props.SetBold(on);
}
void ON_TextRunBuilder::Italic(const wchar_t* value)
{
bool on = true;
if (nullptr != value)
{
if ('1' == value[0] || 0 == value[0])
on = true;
else if ('0' == value[0])
on = false;
}
if (nullptr == this->CurrentFont())
this->SetCurrentFont(&ON_Font::Default);
const ON_Font* current_font = this->CurrentFont();
if (false == current_font->IsManagedFont() || on != current_font->IsItalicInQuartet())
{
const ON_Font* managed_font = current_font->ManagedFamilyMemberWithRichTextProperties(
current_font->IsBoldInQuartet(),
on,
current_font->IsUnderlined(),
current_font->IsStrikethrough()
);
if (nullptr != managed_font)
this->SetCurrentFont(managed_font);
}
m_current_props.SetItalic(on);
}
void ON_TextRunBuilder::UnderlineOn()
{
if (nullptr == this->CurrentFont())
this->SetCurrentFont(&ON_Font::Default);
const ON_Font* current_font = this->CurrentFont();
if ( false == current_font->IsManagedFont() || false == current_font->IsUnderlined() )
{
const ON_Font* managed_font = current_font->ManagedFamilyMemberWithRichTextProperties(
current_font->IsBoldInQuartet(),
current_font->IsItalicInQuartet(),
true,
current_font->IsStrikethrough()
);
if (nullptr != managed_font)
this->SetCurrentFont(managed_font);
}
m_current_props.SetUnderlined(true);
}
void ON_TextRunBuilder::UnderlineOff()
{
if (nullptr == this->CurrentFont())
this->SetCurrentFont(&ON_Font::Default);
const ON_Font* current_font = this->CurrentFont();
if ( false == current_font->IsManagedFont() || current_font->IsUnderlined() )
{
const ON_Font* managed_font = current_font->ManagedFamilyMemberWithRichTextProperties(
current_font->IsBoldInQuartet(),
current_font->IsItalicInQuartet(),
false,
current_font->IsStrikethrough()
);
if (nullptr != managed_font)
this->SetCurrentFont(managed_font);
}
m_current_props.SetUnderlined(false);
}
void ON_TextRunBuilder::Strikethrough(const wchar_t* value)
{
bool on = true;
if (nullptr != value)
{
if ('1' == value[0] || 0 == value[0])
on = true;
else if ('0' == value[0])
on = false;
}
if (nullptr == this->CurrentFont())
this->SetCurrentFont(&ON_Font::Default);
const ON_Font* current_font = this->CurrentFont();
if ( false == current_font->IsManagedFont() || on != current_font->IsStrikethrough() )
{
const ON_Font* managed_font = current_font->ManagedFamilyMemberWithRichTextProperties(
current_font->IsBoldInQuartet(),
current_font->IsItalicInQuartet(),
current_font->IsUnderlined(),
on
);
if (nullptr != managed_font)
this->SetCurrentFont(managed_font);
}
m_current_props.SetStrikethrough(on);
}
void ON_TextRunBuilder::Superscript()
{
m_current_run.SetStacked(ON_TextRun::Stacked::kTop);
}
void ON_TextRunBuilder::Subscript()
{
m_current_run.SetStacked(ON_TextRun::Stacked::kBottom);
}
void ON_TextRunBuilder::NoSuperSub()
{
}
void ON_TextRunBuilder::BeginColorTable()
{
}
void ON_TextRunBuilder::ColorRed(const wchar_t* value)
{
}
void ON_TextRunBuilder::ColorGreen(const wchar_t* value)
{
}
void ON_TextRunBuilder::ColorBlue(const wchar_t* value)
{
}
void ON_TextRunBuilder::ColorForeground(const wchar_t* value)
{
}
void ON_TextRunBuilder::ColorBackground(const wchar_t* value)
{
}
void ON_TextRunBuilder::SetStackScale(const wchar_t* value)
{
double stackscale = ON_TextRun::DefaultStackFractionHeight();
ON_wString::ToNumber(value, stackscale, &stackscale);
m_current_run.SetStackFractionHeight(stackscale);
m_current_props.SetStackScale(stackscale);
}
void ON_TextRunBuilder::StackFraction(const wchar_t* value)
{
m_current_run.SetType(ON_TextRun::RunType::kText);
m_current_run.SetStacked(ON_TextRun::Stacked::kStacked);
if (nullptr != m_current_run.m_stacked_text)
delete m_current_run.m_stacked_text;
m_current_run.m_stacked_text = new ON_StackedText;
if (nullptr != value)
m_current_run.m_stacked_text->m_separator = (wchar_t)wcstol(value, 0, 10);
else
m_current_run.m_stacked_text->m_separator = L'/';
}
void ON_TextRunBuilder::StackEnd()
{
m_current_run.SetStackedOff();
}
void ON_TextRunBuilder::TextField(const wchar_t* name)
{
m_current_run.SetType(ON_TextRun::RunType::kField);
}
void ON_TextRunBuilder::UniEmbeddedDest(const wchar_t* value)
{
// two embedded unicode destinations - footnote, etc in rtf document
}
void ON_TextRunBuilder::UniDest(const wchar_t* value)
{
// unicode destination
}
#pragma endregion // TextRunBuilder
#pragma region RtfStringBuilder
ON_RtfStringBuilder::~ON_RtfStringBuilder()
{}
ON_RtfStringBuilder::ON_RtfStringBuilder(
const ON_DimStyle* dimstyle,
double height,
ON_Color color)
{
InitStringBuilder(dimstyle);
}
void ON_RtfStringBuilder::InitStringBuilder(const ON_DimStyle* dimstyle)
{
if (nullptr == dimstyle)
dimstyle = &ON_DimStyle::Default;
const ON_Font& style_font = dimstyle->Font();
ON_FaceNameKey& fnkey = m_facename_map.AppendNew();
fnkey.m_rtf_font_name = ON_Font::RichTextFontName(&style_font, true);
fnkey.m_rtf_font_index = 0;
bool bold = style_font.IsBoldInQuartet();
bool italic = style_font.IsItalic();
bool underlined = style_font.IsUnderlined();
bool strikethrough = style_font.IsStrikethrough();
m_run_stack.Empty();
m_current_run.SetFontIndex(fnkey.m_rtf_font_index);
m_current_run.SetBold(bold);
m_current_run.SetItalic(italic);
m_current_run.SetUnderlined(underlined);
m_current_run.SetStrikeThrough(strikethrough);
m_in_run = 0;
m_level = 0;
m_font_table_level = 10000;
m_current_codepoints.Empty();
}
void ON_RtfStringBuilder::PushRun(TextRun& run)
{
m_run_stack.Append(run);
}
ON_RtfStringBuilder::TextRun ON_RtfStringBuilder::PopRun()
{
if (m_run_stack.Count() > 0)
{
TextRun run = *m_run_stack.Last();
m_run_stack.Remove();
return run;
}
return m_current_run;
}
bool ON_RtfStringBuilder::InColorTable()
{
return m_in_color_table;
}
void ON_RtfStringBuilder::SetInColorTable(bool b)
{
m_in_color_table = b;
}
void ON_RtfStringBuilder::SetSkipColorTbl(bool b)
{
m_skip_color_tbl = b;
}
void ON_RtfStringBuilder::SetSkipBold(bool b)
{
m_skip_bold = b;
}
void ON_RtfStringBuilder::SetSkipItalic(bool b)
{
m_skip_italic = b;
}
void ON_RtfStringBuilder::SetSkipUnderline(bool b)
{
m_skip_underline = b;
}
void ON_RtfStringBuilder::SetSkipFacename(bool b)
{
m_skip_facename = b;
}
bool ON_RtfStringBuilder::SkipColorTbl()
{
return m_skip_color_tbl;
}
bool ON_RtfStringBuilder::SkipBold()
{
return m_skip_bold;
}
bool ON_RtfStringBuilder::SkipItalic()
{
return m_skip_italic;
}
bool ON_RtfStringBuilder::SkipUnderline()
{
return m_skip_underline;
}
bool ON_RtfStringBuilder::SkipFacename()
{
return m_skip_facename;
}
void ON_RtfStringBuilder::SetMakeBold(bool b)
{
if(b)
m_skip_bold = true;
m_make_bold = b;
}
void ON_RtfStringBuilder::SetMakeItalic(bool b)
{
if(b)
m_skip_italic = true;
m_make_italic = b;
}
void ON_RtfStringBuilder::SetMakeUnderline(bool b)
{
if (b)
m_skip_underline = true;
m_make_underline = b;
}
void ON_RtfStringBuilder::SetMakeFacename(bool b)
{
if (b)
m_skip_facename = true;
m_make_facename = b;
}
bool ON_RtfStringBuilder::MakeBold()
{
return m_make_bold;
}
bool ON_RtfStringBuilder::MakeItalic()
{
return m_make_italic;
}
bool ON_RtfStringBuilder::MakeUnderline()
{
return m_make_underline;
}
bool ON_RtfStringBuilder::MakeFacename()
{
return m_make_facename;
}
void ON_RtfStringBuilder::SetDefaultFacename(const wchar_t* facename)
{
m_default_facename = (nullptr == facename) ? L"" : facename;
}
void ON_RtfStringBuilder::SetOverrideFacename(const wchar_t* facename)
{
m_override_facename = (nullptr == facename) ? L"" : facename;
}
bool ON_RtfStringBuilder::SkippingFacename()
{
return (m_skip_facename && !m_make_facename);
}
bool ON_RtfStringBuilder::SettingFacename()
{
return (m_make_facename && !m_default_facename.IsEmpty());
}
void ON_RtfStringBuilder::GroupBegin()
{
// not skipping the color table or we're not in it
if (!SkipColorTbl() || m_current_run.Type() != ON_TextRun::RunType::kColortbl)
m_string_out += m_current_run.TextString();
m_current_run.EmptyText();
m_current_run.SetTerminated(true);
PushRun(m_current_run);
m_current_run.AddControl(L"{");
m_current_run.SetType(ON_TextRun::RunType::kText);
m_current_run.ClearHasContent();
m_have_rtf = true;
m_level++;
}
void ON_RtfStringBuilder::GroupEnd()
{
if (m_current_run.Type() != ON_TextRun::RunType::kColortbl)
{
if (m_level >= 0)
{
m_current_run.AddControl(L"}");
m_level--;
if (m_current_run.Type() == ON_TextRun::RunType::kFonttbl)
{
if (SkippingFacename())
{
m_current_run.AddControl(L"{\\f0 ");
m_level++;
}
else if (SettingFacename())
{
// Add \\fn ofter font table run
ON_wString temp;
temp.Format(L"{\\f%d ", m_font_index);
m_current_run.AddControl(temp.Array());
m_level++;
}
m_font_table_level = 10000;
}
m_string_out = m_string_out + m_current_run.TextString();
m_current_run.EmptyText();
}
}
if (m_current_run.Type() == ON_TextRun::RunType::kColortbl)
SetInColorTable(false);
m_current_run = PopRun();
}
void ON_RtfStringBuilder::RunBegin()
{
// not skipping the color table or we're not in it
if (!SkipColorTbl() || m_current_run.Type() != ON_TextRun::RunType::kColortbl)
m_string_out += m_current_run.TextString();
m_current_run.EmptyText();
m_current_run.SetTerminated(true);
m_current_run.SetType(ON_TextRun::RunType::kText);
m_current_run.ClearHasContent();
m_have_rtf = true;
}
void ON_RtfStringBuilder::RunEnd()
{
if (m_current_run.Type() != ON_TextRun::RunType::kColortbl)
{
if (m_level >= 0)
{
if (m_current_run.Type() == ON_TextRun::RunType::kFonttbl)
{
m_font_table_level = 10000;
}
m_string_out = m_string_out + m_current_run.TextString();
m_current_run.EmptyText();
}
}
if (m_current_run.Type() == ON_TextRun::RunType::kColortbl)
SetInColorTable(false);
}
void ON_RtfStringBuilder::BeginFontTable()
{
m_font_table_level = m_level;
m_current_run.SetType(ON_TextRun::RunType::kFonttbl);
if (SkippingFacename())
return;
ON_wString temp;
//temp.Format(L"\\fonttbl{\\f0 %s;}", m_default_facename.Array());
temp.Format(L"\\fonttbl");
m_current_run.AddText(temp.Array());
if (SettingFacename() && !m_default_facename.EqualOrdinal(m_override_facename, true))
{
temp.Format(L"{\\f1 %s;}", m_override_facename.Array());
m_current_run.AddText(temp.Array());
}
}
void ON_RtfStringBuilder::BeginHeader()
{
m_current_run.SetType(ON_TextRun::RunType::kHeader);
m_current_run.AddControl(L"\\rtf1");
}
// Sets m_default_font_index when \deffn is read.
void ON_RtfStringBuilder::DefaultFont(const wchar_t* value)
{
if (m_skip_facename || (m_make_facename && !m_default_facename.IsEmpty()))
m_default_font_index = 0;
else
{
ON__INT32 nval = -1;
const wchar_t* sp = ON_wString::ToNumber(value, nval, &nval);
if (nval >= 0 && sp > value)
m_default_font_index = nval;
}
ON_wString temp;
temp.Format(L"\\deff%d", m_default_font_index);
m_current_run.AddControl(temp.Array());
}
const ON_wString ON_RtfStringBuilder::OutputString()
{
m_string_out.Replace(L"{}", L"");
return m_string_out;
}
// Process a rtf \fn tag to set the current font to the nth font in the rtf font table
// or to store the definition for the nth font in the font table
void ON_RtfStringBuilder::FontTag(const wchar_t* value)
{
if (SkippingFacename())
return;
ON__INT32 nval = -1;
const wchar_t* sp = ON_wString::ToNumber(value, nval, &nval);
if (nval >= 0 && sp > value) // got a number
{
if (ReadingFontTable())
{
if (m_current_run.Type() == ON_TextRun::RunType::kFonttbl && m_level == m_font_table_level)
{
m_string_out += m_current_run.TextString();
m_current_run.EmptyText();
m_current_run.SetTerminated(true);
PushRun(m_current_run);
m_have_rtf = true;
}
m_current_run.SetType(ON_TextRun::RunType::kFontdef);
if (!SettingFacename())
{
// Defining a font in the font table
// n in \fn is the rtf index of the font currently being read from the table
// store a mapping from \fn to font
// when the font for this font table entry is made
m_font_index = nval;
// next will be a face name that will be read and put in a fontdef run
ON_wString temp;
temp.Format(L"\\f%d", nval);
m_current_run.AddControl(temp.Array());
}
}
else
{
// Not defining the font table. Rather, setting a font current
// Set current font to font corresponding to font_index
if (SkippingFacename() || SettingFacename())
m_current_run.AddControl(L"\\f1");
else if (m_current_run.FontIndex() != nval)
{
ON_wString temp;
temp.Format(L"\\f%d", nval);
m_current_run.AddControl(temp.Array());
m_current_run.SetFontIndex(nval);
}
if (MakeBold())
m_current_run.AddControl(L"\\b");
if (MakeItalic())
m_current_run.AddControl(L"\\i");
if (MakeUnderline())
m_current_run.AddControl(L"\\ul");
}
}
return;
}
void ON_RtfStringBuilder::FontSize(const wchar_t* value)
{
// We ignore font height
ON__INT32 nval = -1;
const wchar_t* sp = ON_wString::ToNumber(value, nval, &nval);
if (nval >= 0 && sp > value) // got a number
{
ON_wString temp;
temp.Format(L"\\fs%d", nval);
m_current_run.AddControl(temp.Array());
}
}
void ON_RtfStringBuilder::Newline()
{
m_current_run.AddControl(L"\\par");
}
void ON_RtfStringBuilder::Paragraph()
{
m_current_run.AddControl(L"\\par");
}
void ON_RtfStringBuilder::ParagraphDefaults()
{
m_current_run.AddControl(L"\\pard");
}
void ON_RtfStringBuilder::Section()
{
}
void ON_RtfStringBuilder::Tab()
{
for (int i = 0; i < 8; i++) AppendCodePoint((ON__UINT32)' ');
m_in_run = true;
}
void ON_RtfStringBuilder::Bold(const wchar_t* value)
{
if (!SkipBold())
{
bool bold = m_current_run.IsBold();
bool on = true;
if (nullptr != value)
{
if ('1' == value[0] || 0 == value[0])
on = true;
else if ('0' == value[0])
on = false;
}
if (on != bold)
{
ON_wString temp;
if ('0' == value[0])
temp.Format(L"\\b0");
else
temp.Format(L"\\b");
m_current_run.AddControl(temp.Array());
m_current_run.SetBold(on);
}
}
}
void ON_RtfStringBuilder::Italic(const wchar_t* value)
{
if (!SkipItalic())
{
bool italic = m_current_run.IsItalic();
bool on = true;
if (nullptr != value)
{
if ('1' == value[0] || 0 == value[0])
on = true;
else if ('0' == value[0])
on = false;
}
if (on != italic)
{
ON_wString temp;
if ('0' == value[0])
temp.Format(L"\\i0");
else
temp.Format(L"\\i");
m_current_run.AddControl(temp.Array());
m_current_run.SetItalic(on);
}
}
}
void ON_RtfStringBuilder::UnderlineOn()
{
if (!SkipUnderline())
{
bool under = m_current_run.IsUnderlined();
bool on = true;
if (on != under)
{
m_current_run.AddControl(L"\\ul");
m_current_run.SetUnderlined(true);
}
}
}
void ON_RtfStringBuilder::UnderlineOff()
{
if (!SkipUnderline())
{
bool under = m_current_run.IsUnderlined();
bool on = false;
if (on != under)
{
m_current_run.AddControl(L"\\ul0");
m_current_run.SetUnderlined(true);
}
}
}
void ON_RtfStringBuilder::Strikethrough(const wchar_t* value)
{
}
void ON_RtfStringBuilder::Superscript()
{
}
void ON_RtfStringBuilder::Subscript()
{
}
void ON_RtfStringBuilder::NoSuperSub()
{
}
void ON_RtfStringBuilder::BeginColorTable()
{
m_current_run.SetType(ON_TextRun::RunType::kColortbl);
m_current_run.AddControl(L"\\colortbl");
SetInColorTable(true);
}
void ON_RtfStringBuilder::ColorRed(const wchar_t* value)
{
}
void ON_RtfStringBuilder::ColorGreen(const wchar_t* value)
{
}
void ON_RtfStringBuilder::ColorBlue(const wchar_t* value)
{
}
void ON_RtfStringBuilder::ColorForeground(const wchar_t* value)
{
}
void ON_RtfStringBuilder::ColorBackground(const wchar_t* value)
{
}
void ON_RtfStringBuilder::TextField(const wchar_t* name)
{
m_current_run.SetType(ON_TextRun::RunType::kField);
}
void ON_RtfStringBuilder::UniEmbeddedDest(const wchar_t* value)
{
// two embedded unicode destinations - footnote, etc in rtf document
}
void ON_RtfStringBuilder::UniDecimal(const wchar_t* value)
{
m_current_run.AddText(L"\\u");
m_current_run.AddText(value);
m_current_run.AddText(L"?");
}
void ON_RtfStringBuilder::UniDest(const wchar_t* value)
{
// unicode destination
}
bool ON_RtfStringBuilder::AppendCodePoint(ON__UINT32 codept)
{
if ((SettingFacename() || SkippingFacename()) && m_current_run.Type() == ON_TextRun::RunType::kFontdef)
return true;
if (m_current_run.Type() == ON_TextRun::RunType::kText)
{
if (MakeBold() && !m_current_run.IsBold())
{
m_current_run.AddControl(L"\\b");
m_current_run.SetBold(true);
}
if (MakeItalic() && !m_current_run.IsItalic())
{
m_current_run.AddControl(L"\\i");
m_current_run.SetItalic(true);
}
if (MakeUnderline() && !m_current_run.IsUnderlined())
{
m_current_run.AddControl(L"\\ul");
m_current_run.SetUnderlined(true);
}
m_have_rtf = true;
}
ON_wString str;
ON_TextContext::ConvertCodepointsToString(1, &codept, str);
if (codept == ON_UnicodeCodePoint::ON_Backslash || codept == L'{' || codept == L'}')
m_current_run.AddText(L"\\");
m_current_run.AddText(str.Array());
m_current_codepoints.Append(codept);
return true;
}
#pragma endregion // RtfStringBuilder
#ifdef RTFFIRSTCHAR
#pragma region RtfFirstChar
ON_RtfFirstChar::~ON_RtfFirstChar()
{}
ON_RtfFirstChar::ON_RtfFirstChar(
const ON_DimStyle* dimstyle,
double height,
ON_Color color)
{
InitStringBuilder(dimstyle);
}
void ON_RtfFirstChar::InitStringBuilder(const ON_DimStyle* dimstyle)
{
if (nullptr == dimstyle)
dimstyle = &ON_DimStyle::Default;
const ON_Font& style_font = dimstyle->Font();
ON_FaceNameKey& fnkey = m_facename_map.AppendNew();
fnkey.m_rtf_font_name = style_font.FamilyName();
fnkey.m_rtf_font_index = -1;
bool bold = dimstyle->Font().IsBoldInQuartet();
bool italic = dimstyle->Font().IsItalic();
bool underlined = dimstyle->Font().IsUnderlined();
bool strikethrough = dimstyle->Font().IsStrikethrough();
m_run_stack.Empty();
m_current_run.SetFontIndex(fnkey.m_rtf_font_index);
m_current_run.SetBold(bold);
m_current_run.SetItalic(italic);
m_current_run.SetUnderlined(underlined);
m_current_run.SetStrikeThrough(strikethrough);
m_in_run = 0;
m_level = 0;
m_font_table_level = 10000;
}
void ON_RtfFirstChar::PushRun(TextRun& run)
{
m_run_stack.Append(run);
}
ON_RtfFirstChar::TextRun ON_RtfFirstChar::PopRun()
{
if (m_run_stack.Count() > 0)
{
TextRun run = *m_run_stack.Last();
m_run_stack.Remove();
return run;
}
return m_current_run;
}
bool ON_RtfFirstChar::InColorTable()
{
return m_in_color_table;
}
void ON_RtfFirstChar::SetInColorTable(bool b)
{
m_in_color_table = b;
}
void ON_RtfFirstChar::GroupBegin()
{
PushRun(m_current_run);
m_have_rtf = true;
m_level++;
}
void ON_RtfFirstChar::GroupEnd()
{
if (m_current_run.Type() == ON_TextRun::RunType::kFonttbl)
m_font_table_level = 10000;
if (m_current_run.Type() == ON_TextRun::RunType::kColortbl)
SetInColorTable(false);
if (m_current_run.Type() == ON_TextRun::RunType::kFontdef)
{
// String is a font facename. Make a font with that facename
// and a font definition run
ON_wString str;
str = m_current_run.Text();
if (!str.IsEmpty())
{
str.Remove(L';'); // facename delimiter from rtf
ON_FaceNameKey& fn_key = m_facename_map.AppendNew();
fn_key.m_rtf_font_index = m_font_index;
fn_key.m_rtf_font_name = str;
fn_key.m_charset = m_current_props.CharSet();
fn_key.m_codepage = m_current_props.CodePage();
}
}
m_current_run = PopRun();
m_level--;
}
void ON_RtfFirstChar::RunBegin()
{
m_have_rtf = true;
}
void ON_RtfFirstChar::RunEnd()
{
if (m_current_run.Type() == ON_TextRun::RunType::kFontdef)
{
// String is a font facename. Make a font with that facename
// and a font definition run
ON_wString str;
str = m_current_run.Text();
if (!str.IsEmpty())
{
str.Remove(L';'); // facename delimiter from rtf
ON_FaceNameKey& fn_key = m_facename_map.AppendNew();
fn_key.m_rtf_font_index = m_font_index;
fn_key.m_rtf_font_name = str;
fn_key.m_charset = m_current_props.CharSet();
fn_key.m_codepage = m_current_props.CodePage();
}
}
}
void ON_RtfFirstChar::BeginFontTable()
{
m_font_table_level = m_level;
m_current_run.SetType(ON_TextRun::RunType::kFonttbl);
}
void ON_RtfFirstChar::BeginHeader()
{
m_current_run.SetType(ON_TextRun::RunType::kHeader);
}
void ON_RtfFirstChar::BeginColorTable()
{
m_current_run.SetType(ON_TextRun::RunType::kColortbl);
SetInColorTable(true);
}
void ON_RtfFirstChar::TextField(const wchar_t* name)
{
m_current_run.SetType(ON_TextRun::RunType::kField);
}
bool ON_RtfFirstChar::AppendCodePoint(ON__UINT32 codept)
{
if (!m_have_rtf)
m_have_rtf = true;
// First char not in a table or tag - return false to stop parsing
if (!InColorTable() && !ReadingFontTable())
return false;
ON_wString str;
ON_TextContext::ConvertCodepointsToString(1, &codept, str);
m_current_run.AddText(str.Array());
m_current_codepoints.Append(codept);
return true;
}
void ON_RtfFirstChar::FontTag(const wchar_t* value)
{
if (ReadingFontTable())
m_current_run.SetType(ON_TextRun::RunType::kFontdef);
ON__INT32 nval = -1;
const wchar_t* sp = ON_wString::ToNumber(value, nval, &nval);
if (nval >= 0 && sp > value) // got a number
{
if (ReadingFontTable())
{
SetReadingFontDefinition(true);
// Defining a font in the font table
// n in \fn is the rtf index of the font currently being read from the table
// store a mapping from \fn to font
// when the font for this font table entry is made
m_font_index = nval;
// next will be a face name that will be read and put in a fontdef run
}
else
{
// Not defining the font table. Rather, setting a font current
// Set current font to font corresponding to font_index
if (m_current_run.FontIndex() != nval)
m_current_run.SetFontIndex(nval);
}
}
return;
}
void ON_RtfFirstChar::Bold(const wchar_t* value)
{
bool bold = m_current_run.IsBold();
bool on = true;
if (nullptr != value)
{
if ('1' == value[0] || 0 == value[0])
on = true;
else if ('0' == value[0])
on = false;
}
if (on != bold)
{
m_current_run.SetBold(on);
}
}
void ON_RtfFirstChar::Italic(const wchar_t* value)
{
bool italic = m_current_run.IsItalic();
bool on = true;
if (nullptr != value)
{
if ('1' == value[0] || 0 == value[0])
on = true;
else if ('0' == value[0])
on = false;
}
if (on != italic)
m_current_run.SetItalic(on);
}
void ON_RtfFirstChar::UnderlineOn()
{
bool under = m_current_run.IsUnderlined();
bool on = true;
if (on != under)
m_current_run.SetUnderlined(true);
}
void ON_RtfFirstChar::UnderlineOff()
{
bool under = m_current_run.IsUnderlined();
bool on = false;
if (on != under)
m_current_run.SetUnderlined(false);
}
void ON_RtfFirstChar::Strikethrough(const wchar_t* value)
{
}
#pragma endregion // RtfFirstChar
#endif // RTFFIRSTCHAR
ON_RtfParser::ON_RtfParser(ON_TextIterator& iter, ON_TextBuilder& builder)
: m_ti(iter)
, m_builder(builder)
{
}
bool ON_RtfParser::ProcessTag(const wchar_t* name, const wchar_t* value, bool optional)
{
ON_wString tagname(name);
if( tagname.IsEmpty() )
return false;
bool rc = true;
const bool bOrdinalIgnoreCase = true;
if (0 == tagname.CompareOrdinal(tagRtf, bOrdinalIgnoreCase))
{
m_in_real_rtf = true;
m_builder.BeginHeader();
}
else if (0 == tagname.CompareOrdinal(tagFontTable, bOrdinalIgnoreCase))
m_builder.BeginFontTable();
else if (0 == tagname.CompareOrdinal(tagDefaultFont, bOrdinalIgnoreCase) && 0 != value && 0 != value[0])
m_builder.DefaultFont(value);
else if (0 == tagname.CompareOrdinal(tagFont, bOrdinalIgnoreCase) && 0 != value && 0 != value[0])
m_builder.FontTag(value);
else if (0 == tagname.CompareOrdinal(tagFontSize, bOrdinalIgnoreCase) && 0 != value && 0 != value[0])
m_builder.FontSize(value);
else if (0 == tagname.CompareOrdinal(tagCharSet, bOrdinalIgnoreCase) && 0 != value && 0 != value[0])
m_builder.CharSet(value);
else if (0 == tagname.CompareOrdinal(tagCodePage, bOrdinalIgnoreCase) && 0 != value && 0 != value[0])
m_builder.CodePage(value);
else if (0 == tagname.CompareOrdinal(tagNewline, bOrdinalIgnoreCase))
m_builder.Newline();
else if (0 == tagname.CompareOrdinal(tagParagraph, bOrdinalIgnoreCase))
m_builder.Paragraph();
else if (0 == tagname.CompareOrdinal(tagParagraphDefaults, bOrdinalIgnoreCase))
m_builder.ParagraphDefaults();
else if (0 == tagname.CompareOrdinal(tagSection, bOrdinalIgnoreCase))
m_builder.Section();
else if (0 == tagname.CompareOrdinal(tagTabulator, bOrdinalIgnoreCase))
m_builder.Tab();
else if (0 == tagname.CompareOrdinal(tagBold, bOrdinalIgnoreCase))
m_builder.Bold(value);
else if (0 == tagname.CompareOrdinal(tagItalic, bOrdinalIgnoreCase))
m_builder.Italic(value);
else if (0 == tagname.CompareOrdinal(tagUnderLine, bOrdinalIgnoreCase))
{
if ((*value) == L'0')
m_builder.UnderlineOff();
else
m_builder.UnderlineOn();
}
else if (0 == tagname.CompareOrdinal(tagUnderLineNone, bOrdinalIgnoreCase))
m_builder.UnderlineOff();
else if (0 == tagname.CompareOrdinal(tagStrikeThrough, bOrdinalIgnoreCase))
m_builder.Strikethrough(value);
else if (0 == tagname.CompareOrdinal(tagSuperscript, bOrdinalIgnoreCase))
m_builder.Superscript();
else if (0 == tagname.CompareOrdinal(tagSubscript, bOrdinalIgnoreCase))
m_builder.Subscript();
else if (0 == tagname.CompareOrdinal(tagNoSuperSub, bOrdinalIgnoreCase))
m_builder.NoSuperSub();
else if (0 == tagname.CompareOrdinal(tagColorTable, bOrdinalIgnoreCase))
m_builder.BeginColorTable();
else if (0 == tagname.CompareOrdinal(tagColorRed, bOrdinalIgnoreCase) && 0 != value && 0 != value[0])
m_builder.ColorRed(value);
else if (0 == tagname.CompareOrdinal(tagColorGreen, bOrdinalIgnoreCase) && 0 != value && 0 != value[0])
m_builder.ColorGreen(value);
else if (0 == tagname.CompareOrdinal(tagColorBlue, bOrdinalIgnoreCase) && 0 != value && 0 != value[0])
m_builder.ColorBlue(value);
else if (0 == tagname.CompareOrdinal(tagColorForeground, bOrdinalIgnoreCase) && 0 != value && 0 != value[0])
m_builder.ColorForeground(value);
else if (0 == tagname.CompareOrdinal(tagColorBackground, bOrdinalIgnoreCase) && 0 != value && 0 != value[0])
m_builder.ColorBackground(value);
else if (0 == tagname.CompareOrdinal(tagStackFraction, bOrdinalIgnoreCase))
m_builder.SetStackScale(value);
else if (0 == tagname.CompareOrdinal(tagStackText, bOrdinalIgnoreCase))
m_builder.StackFraction(value);
else if (0 == tagname.CompareOrdinal(tagStackEnd, bOrdinalIgnoreCase))
m_builder.StackEnd();
else if (0 == ON_wString::CompareOrdinal(name, tagField, bOrdinalIgnoreCase))
m_builder.TextField(value);
else if (0 == ON_wString::CompareOrdinal(name, tagUniCpCount, bOrdinalIgnoreCase))
m_builder.UniCpCount(value);
else if (0 == ON_wString::CompareOrdinal(name, tagUniCharDec, bOrdinalIgnoreCase))
m_builder.UniDecimal(value);
else if (0 == ON_wString::CompareOrdinal(name, tagUniTwoDest, bOrdinalIgnoreCase))
m_builder.UniEmbeddedDest(value);
else if (0 == ON_wString::CompareOrdinal(name, tagUniDest, bOrdinalIgnoreCase))
m_builder.UniDest(value);
else if (0 == ON_wString::CompareOrdinal(name, taglquote, bOrdinalIgnoreCase))
m_builder.LQuote();
else if (0 == ON_wString::CompareOrdinal(name, tagrquote, bOrdinalIgnoreCase))
m_builder.RQuote();
else if (0 == ON_wString::CompareOrdinal(name, tagldblquote, bOrdinalIgnoreCase))
m_builder.LDblQuote();
else if (0 == ON_wString::CompareOrdinal(name, tagrdblquote, bOrdinalIgnoreCase))
m_builder.RDblQuote();
else if (0 == ON_wString::CompareOrdinal(name, tagbullet, bOrdinalIgnoreCase))
m_builder.Bullet();
else if (0 == ON_wString::CompareOrdinal(name, tagendash, bOrdinalIgnoreCase))
m_builder.EnDash();
else if (0 == ON_wString::CompareOrdinal(name, tagemdash, bOrdinalIgnoreCase))
m_builder.EmDash();
else
rc = false;
return rc;
}
// Called after '\\*' is read
// '\\tagname<value> ... ;' follows optional tag.
// optional tags can be skipped, and terminate with ';'
// the first tagname following '\\*\\' is the name of the optional tag and
// additional tags and tokens can follow, up to a terminating ';'
// tags can contain up to 32 chars in the name optionally followed by a number
bool ON_RtfParser::ReadOptionalTag()
{
bool rc = false;
bool end_of_tag = false;
ON__UINT32 cp = 0;
while (!end_of_tag)
{
if (false == m_ti.ReadCodePoint(cp))
{
end_of_tag = true;
break;
}
switch (cp)
{
case ON_UnicodeCodePoint::ON_Backslash:
rc = ReadTag(true);
if (!rc && m_suspend_to_close == 0)
m_suspend_to_close = 1;
break;
default: // terminates an optional tag
end_of_tag = true;
// Terminating chars other than these are eaten here
if ('\\' == cp || '{' == cp || '}' == cp)
m_ti.Back();
break;
}
}
return rc;
}
// Called after '\\' is read
// tags can contain up to 32 chars in the name optionally followed by a number
bool ON_RtfParser::ReadTag(bool optional)
{
wchar_t name[64]; // These are limited to 32 chars in the rtf spec
wchar_t value[64];
memset(name, 0, 64*sizeof(wchar_t));
memset(value, 0, 64*sizeof(wchar_t));
int namecnt = 0, valcnt = 0;
bool in_name = true;
bool end_of_tag = false;
ON__UINT32 cp = 0;
bool rc = false;
while(!end_of_tag)
{
if( false == m_ti.ReadCodePoint(cp) )
{
end_of_tag = true;
break;
}
if(in_name && IsAtoZ(cp) && namecnt < 63) // Tag name is all alpha chars
{
name[namecnt++] = (wchar_t)cp;
}
else if((IsDigit(cp) || '.' == cp || ('-' == cp && valcnt == 0)) && valcnt < 63) // digits following name is tag parameter
{
in_name = false;
value[valcnt++] = (wchar_t)cp;
}
else // tag name terminated by any non-alphabetic char, tag parameter argument terminated by non-digit char
{
end_of_tag = true;
if(0 != ON_wString::CompareOrdinal(name, tagUniCharDec, true))
m_builder.FormatChange();
rc = ProcessTag(name, value, optional);
// Terminating chars other than these are eaten here
if('\\' == cp || '{' == cp || '}' == cp)
m_ti.Back();
}
}
return rc;
}
// input: cp_array is an array of codepoints
// Encodes to UTF16 to make string for text in the run
bool ON_RtfParser::FlushCurText(ON_SimpleArray< ON__UINT32 >& cp_array)
{
// Calling this with an empty array does nothing
int cp32_count = cp_array.Count();
if(cp32_count <= 0)
return false;
m_builder.FlushText(cp32_count, cp_array.Array());
cp_array.Empty();
return true;
}
bool ON_RtfParser::Parse()
{
bool rc = true;
bool end_of_string = false;
bool optional_tag = false;
ON__UINT32 rtf_code_point;
while(!end_of_string)
{
if (m_suspend_to_close <= 0 && m_ti.AtBackslashTic())
{
// parse the entire contiguous MBCS string up to <OTHER>
// \`XX\`XX...\`XX<OTHER>
// <OTHER> != \`, XX = hex digit 0 to FF.
// This string is a Windows MBCS string with code page identified by
//
const ON__UINT32 char_count = Internal_ParseMBCSString( m_builder.m_current_props.CodePage() );
if (char_count > 0)
continue;
}
if(false == m_ti.ReadCodePoint(rtf_code_point))
break;
if (m_suspend_to_close > 0)
{
switch (rtf_code_point)
{
case L'}':
m_suspend_to_close--;
break;
case L'{':
m_suspend_to_close++;
break;
}
if (m_suspend_to_close == 0)
m_ti.Back();
continue;
}
// Found a single byte character
switch (rtf_code_point)
{
case ON_UnicodeCodePoint::ON_Backslash:
{
if ( m_ti.ReadCodePoint(rtf_code_point) )
{
// character following '\\'
// Its a tag of some kind, or a literal char
// These are special characters that follow '\\'
switch (rtf_code_point)
{
// Literal escaped '\' or '{' or '}'
// Append to current text string
case ON_UnicodeCodePoint::ON_Backslash:
case L'{':
case L'}':
m_builder.AppendCodePoint(rtf_code_point);
break;
// Paragraph tag when following '\\'
case ON_UnicodeCodePoint::ON_LineFeed:
case ON_UnicodeCodePoint::ON_CarriageReturn:
case ON_UnicodeCodePoint::ON_LineSeparator:
case ON_UnicodeCodePoint::ON_ParagraphSeparator:
FlushCurText(m_builder.m_current_codepoints);
m_builder.RunEnd();
ProcessTag(L"par", nullptr, false);
m_builder.RunBegin();
break;
case '\'':
// This case should never occur - it is handled by
// Internal_ParseMBCSString at the beginning of this while statement.
ON_ERROR("Bug in RTF parsing code.");
break;
// Symbol tags...
case '~': // non-break space
if (!m_builder.AppendCodePoint((ON__UINT32)' '))
return true;
break;
case '-': // optional hyphen
break;
case '_': // non-break hyphen
if (!m_builder.AppendCodePoint((ON__UINT32)'-'))
return true;
break;
case '|':
case ':':
break;
case '*':
ReadOptionalTag();
break;
//case 'n':
// //FlushCurText(m_builder.m_current_codepoints);
// m_builder.GroupEnd();
// ProcessTag(L"par", nullptr, false);
// m_builder.GroupBegin();
// break;
default:
// Tag names are always low ascii alphabetic
m_ti.Back();
ReadTag(false);
//// Breaks reading unicode text like A<\u26085?\u26412?\u12398?\u12469?\u12452?>
//// m_builder.m_current_codepoints.Empty();
optional_tag = false;
}
}
}
break;
// Character not immediately following '\\'
// Skip newline characters if this is a real rtf string - just white space
// If this is one of our recomposed plain text strings, \n means newline
case ON_UnicodeCodePoint::ON_LineFeed:
case ON_UnicodeCodePoint::ON_LineSeparator:
if (!m_in_real_rtf)
{
FlushCurText(m_builder.m_current_codepoints);
m_builder.GroupEnd();
ProcessTag(L"par", nullptr, false);
m_builder.GroupBegin();
}
break;
case ON_UnicodeCodePoint::ON_NoBreakSpace:
case ON_UnicodeCodePoint::ON_NarrowNoBreakSpace:
case ON_UnicodeCodePoint::ON_ZeroWidthSpace:
if (!m_builder.AppendCodePoint((ON__UINT32)' '))
return true;
break;
case ON_UnicodeCodePoint::ON_CarriageReturn:
break;
case ON_UnicodeCodePoint::ON_Tab:
// '\tab' tag
// ProcessTag(new RtfTag(tagTabulator));
break;
// Start group
case '{':
//FlushCurText(m_builder.m_current_codepoints);
m_builder.GroupBegin();
m_p_level++;
break;
case '}':
//FlushCurText(m_builder.m_current_codepoints);
m_builder.GroupEnd();
if (m_p_level > 0)
{
m_p_level--;
}
else
{
// {} underflow
}
break;
default:
// Normal single byte text character not in a tag name
// Could be argument to a tag, like a font name in fonttbl
// AppendCodePoint() returns false to stop parsing
if (m_builder.ReadingFontDefinition() && rtf_code_point == L';')
m_builder.FinishFontDef();
else
{
if (!m_builder.AppendCodePoint(rtf_code_point))
return true;
}
break;
}
} // end of big loop for whole string
FlushCurText(m_builder.m_current_codepoints);
m_builder.GroupEnd();
return rc;
}
// This has to make a string that the text control can digest
// and that's short and simple as possible so it can be put in the file
unsigned int RtfComposer::GetFacenameKey(const ON_Font* font, ON_ClassArray< ON_wString >& fonttable)
{
if (nullptr == font)
return 0;
// Depending on what created the RTF, the face name in the RTF can be a
// PostScript name, LOGFONT.lfFaceName, IDWriteFont family name, ...
const ON_wString rtf_facename = font->QuartetName(ON_Font::NameLocale::English);
if (rtf_facename.IsEmpty())
return 0;
#if defined(ON_RUNTIME_WIN)
if (rtf_facename.Length() > 33)
ON_ERROR("rtf_facename is longer than Windows LogfontName\n");
#endif
return RtfComposer::GetFacenameKey(rtf_facename.Array(), fonttable);
}
unsigned int RtfComposer::GetFacenameKey(const wchar_t* facename, ON_ClassArray< ON_wString >& fonttable)
{
if(nullptr == facename || 0 == facename[0])
return 0;
int count = fonttable.Count();
for(int i = 0; i < count; i++)
{
if (nullptr == fonttable[i] || 0 == fonttable[i][0])
continue;
if(ON_wString::EqualOrdinal(facename, fonttable[i], true))
return i;
}
fonttable.AppendNew() = facename;
return count;
}
unsigned int RtfComposer::GetColorKey(ON_Color color, ON_SimpleArray< unsigned int >& colortable)
{
int count = colortable.Count();
for(int i = 0; i < count; i++)
{
if(color == colortable[i])
return i;
}
colortable.Append((unsigned int)color);
return count;
}
bool RtfComposer::FormatTextHeight(double height, ON_wString& str)
{
str.Format(L"\\*h%lf", height);
return true;
}
bool IsSpecial(const wchar_t ch)
{
if (L'\\' == ch) return true;
if (L'}' == ch) return true;
if (L'{' == ch) return true;
return false;
}
static bool GetRunText(ON_TextRun* run, ON_wString& text_out, bool& foundunicodepoint)
{
if (nullptr == run)
return false;
// Have to convert codepoints directly instead of
// calling DisplayString() because of field evaluation
// and because RTF uses a "signed UTF-16" encoding and converting the run
// into RTF has to work on Apple platforms where wchar_t strings
// are UTF-32 encoded strings. (Ask Dale Lear if you have questions).
const ON__UINT32* run_code_points = run->UnicodeString(); // null terminated
if (nullptr != run_code_points && 0 != run_code_points[0])
{
for (int ci = 0; 0 != run_code_points[ci]; ci++)
{
const ON__UINT32 code_point = run_code_points[ci];
// works on Windows and Apple
ON__UINT16 utf16[2] = { 0 };
const int utf16_count = ON_EncodeUTF16(code_point, utf16);
if (utf16_count < 0 || utf16_count > 2 || 0 == utf16[0])
continue;
if (code_point > 0x80 || 1 != utf16_count || code_point != (ON__UINT32)utf16[0])
{
// When we write RTF, we do not specify what encoding is used for values in the range 0x80 - 0xFF.
//
// The ON_wString temp should to have UTF-16 encoding on Windows platforms
// and UTF-32 encoding on Apple platforms.
//
// There are 27 "tricky values" in this range 0x80 - 0xFF where Windows-1252 maps the value to a glyph and
// and UNICODE maps the value to a control that typically has no printable glyph.
// These "tricky values" are all in the range 0x80 ... 0x9F.
// An example is the Euro sign (Windows-1252 0x80 = Euro sign, UNICODE U+0080 = xxx control,
// UNICODE U+20AC = Euro sign).
//
// The RTF we get from Windows controls, like the "Text" command dialog box,
// typically specifies it is using Windows-1252 and encodes the Euro sign as \`80.
// So, if we have one of these "euro like" values, we will explicitly write it as a UNICODE value
// to avoid the possibility of something defaulting to using Windows-1252.
// https://mcneel.myjetbrains.com/youtrack/issue/RH-38205
//
// See ON_DecodeWindowsCodePage1252Value() for more details.
//
// UNICODE code points that require UTF-16 surrogate pair encodings have
// two RTF values TWO \uN?\uN? values.
// For example, UNICODE code point U+1F5D1 has UTF-16 encodeing (0xD83D, 0xDDD1)
// and the RTF looks like ...{\ltrch \u-10179?\u-8751?}.
for (int utf16i = 0; utf16i < utf16_count; utf16i++)
{
ON_wString n;
const ON__INT16 signed_rtf_utf16_value = (ON__INT16)utf16[utf16i]; // will be negative when utf16[utf16i] >= 0x8000;
const int signed_string_format_param = (int)signed_rtf_utf16_value;
n.Format(L"\\u%d?", signed_string_format_param);
text_out += n;
foundunicodepoint = true;
}
}
else
{
// code_point < 0x80 (ASCII value range) and casting to wchar_t will work
// on any platform;
wchar_t ascii_value = (wchar_t)code_point;
if (IsSpecial(ascii_value))
{
text_out += L'\\';
}
text_out += ascii_value;
}
}
}
return true;
}
bool RtfComposer::Compose(
const ON_TextContent* text,
ON_wString& rtf,
bool bForceRtf)
{
if (0 == text)
return false;
if (!RtfComposer::RecomposeRTF())
{
rtf = text->RtfText();
return true;
}
ON_TextRunArray* runs = text->TextRuns(true);
if (nullptr == runs)
return false;
const ON_Font& style_font = text->DefaultFont();
const ON_wString style_fontname = style_font.RichTextFontName();
if (style_fontname.IsEmpty())
return false;
bool style_bold = style_font.IsBoldInQuartet();
bool style_italic = (ON_Font::Style::Italic == style_font.FontStyle());
bool style_underline = style_font.IsUnderlined();
bool style_strikeout = style_font.IsStrikethrough();
bool chg_bold = false;
bool chg_italic = false;
bool chg_underline = false;
bool chg_strikeout = false;
bool chg_facename = false;
// First facename is from the ON_TextContent (style_font)
// Any after that are from runs
ON_ClassArray< ON_wString > fonttable(8);
// Creates a fonttable entry if the font isn't in the fonttable
// Returns the table index if it is
unsigned int stylefont_key = GetFacenameKey(style_fontname, fonttable);
int runcount = runs->Count();
int nlcount = 0;
// See if this is multi-line text
bool multiline = false;
for (int ri = 0; ri < runcount; ri++)
{
ON_TextRun* run = (*runs)[ri];
if (nullptr != run)
{
if (ON_TextRun::RunType::kText == run->Type() && 0 < nlcount)
{
multiline = true;
break;
}
else if (ON_TextRun::RunType::kNewline == run->Type() ||
ON_TextRun::RunType::kParagraph == run->Type())
nlcount++;
}
}
bool make_rtf = bForceRtf;
ON_SimpleArray< ON_TextRun* > runholders;
for (int ri = 0; ri < runcount; ri++)
{
ON_TextRun* run = (*runs)[ri];
if (nullptr != run)
{
if (
ON_TextRun::RunType::kText == run->Type() ||
ON_TextRun::RunType::kField == run->Type()
)
{
const ON_Font* run_font = run->Font();
if (nullptr != run_font)
{
runholders.AppendNew() = run;
if (!chg_bold)
chg_bold = run_font->IsBoldInQuartet() != style_bold;
if (!chg_italic)
chg_italic = run_font->IsItalic() != style_italic;
if (!chg_underline)
chg_underline = run_font->IsUnderlined() != style_underline;
if (!chg_strikeout)
chg_strikeout = run_font->IsStrikethrough() != style_strikeout;
const ON_wString run_fontname = run_font->RichTextFontName();
if (run_fontname.IsEmpty())
return false;
unsigned int run_font_key = GetFacenameKey(run_fontname, fonttable);
if (!chg_facename)
chg_facename = run_font_key != stylefont_key;
}
const ON__UINT32* run_codepoints = run->UnicodeString();
if (!make_rtf && nullptr != run_codepoints)
{
for (int i = 0; run_codepoints[i] != 0; i++)
{
if (run_codepoints[i] > 127
|| run_codepoints[i] == '\\'
|| run_codepoints[i] == '{'
|| run_codepoints[i] == '}'
)
{
make_rtf = true;
break;
}
}
}
}
else if (
ON_TextRun::RunType::kParagraph == run->Type() ||
ON_TextRun::RunType::kNewline == run->Type()
)
{
runholders.AppendNew() = run;
const ON_Font* run_font = run->Font();
if (nullptr != run_font)
{
const ON_wString run_fontname = run_font->RichTextFontName();
if (!run_fontname.IsEmpty())
{
unsigned int run_font_key = GetFacenameKey(run_fontname, fonttable);
if (!chg_facename)
chg_facename = run_font_key != stylefont_key;
}
}
}
}
} // end of getting runinfo
if (chg_bold || chg_italic || chg_underline || chg_strikeout || chg_facename)
make_rtf = true;
ON_wString run_strings;
ON_wString temp;
runcount = runholders.Count();
for (int ri = 0; ri < runcount; ri++)
{
ON_TextRun* run = runholders[ri];
if (nullptr == run)
continue;
if (
ON_TextRun::RunType::kText == run->Type() ||
ON_TextRun::RunType::kField == run->Type()
)
{
if (make_rtf || (run->IsStacked() == ON_TextRun::Stacked::kStacked && run->m_stacked_text != 0))
{
unsigned int run_font_key = ON_UNSET_UINT_INDEX;
if (make_rtf)
{
const ON_Font* run_font = run->Font();
if (nullptr == run_font)
continue;
// add properties for this string
run_strings += L"{";
bool addspace = false;
run_font_key = GetFacenameKey(run_font, fonttable);
temp.Format(L"\\f%d", run_font_key);
run_strings += temp;
addspace = true;
if (run_font->IsBoldInQuartet())
{
run_strings += L"\\b";
addspace = true;
}
else if (style_bold)
{
run_strings += L"\\b0";
addspace = true;
}
if (run_font->IsItalic())
{
run_strings += L"\\i";
addspace = true;
}
else if (style_italic)
{
run_strings += L"\\i0";
addspace = true;
}
if (run_font->IsUnderlined())
{
run_strings += L"\\ul";
addspace = true;
}
else if (style_underline)
{
run_strings += L"\\ul0";
addspace = true;
}
if (run->IsStacked() == ON_TextRun::Stacked::kBottom)
{
run_strings += L"\\sub";
addspace = true;
}
if (run->IsStacked() == ON_TextRun::Stacked::kTop)
{
run_strings += L"\\super";
addspace = true;
}
if (addspace)
run_strings += L" ";
}
if (ON_TextRun::RunType::kField != run->Type() && run->IsStacked() == ON_TextRun::Stacked::kStacked && run->m_stacked_text != 0)
{
// RH-64720 - Only do this if the stack isn't from a field
run_strings += L"[[";
GetRunText(run->m_stacked_text->m_top_run, run_strings, make_rtf);
run_strings += run->m_stacked_text->m_separator;
GetRunText(run->m_stacked_text->m_bottom_run, run_strings, make_rtf);
run_strings += L"]]";
}
else if (ON_TextRun::RunType::kField == run->Type())
{
//run_strings += L"%<";
//GetRunText(run, run_strings, make_rtf);
//run_strings += L">%";
}
else
{
GetRunText(run, run_strings, make_rtf);
}
if (ri < runcount - 1)
{
ON_TextRun* par_run = runholders[ri+1];
if (nullptr != par_run && (ON_TextRun::RunType::kNewline == par_run->Type() || ON_TextRun::RunType::kParagraph == par_run->Type()))
{
const ON_Font* par_run_font = par_run->Font();
if (nullptr != par_run_font)
{
unsigned int par_run_font_key = GetFacenameKey(par_run_font, fonttable);
if (par_run_font_key == run_font_key)
{
run_strings += L"\\par";
ri++;
}
}
}
}
if (make_rtf)
run_strings += L"}";
}
else // not making rtf, just collect text from runs
{
GetRunText(run, run_strings, make_rtf);
}
}
else if (ON_TextRun::RunType::kNewline == run->Type() || ON_TextRun::RunType::kParagraph == run->Type())
{
if (make_rtf)
{
temp = L"{\\par}";
const ON_Font* par_run_font = run->Font();
if (nullptr != par_run_font)
{
unsigned int par_run_font_key = GetFacenameKey(par_run_font, fonttable);
if(par_run_font_key != stylefont_key)
temp.Format(L"{\\f%d \\par}", par_run_font_key);
}
run_strings += temp;
}
else if(ri < runcount - 1 && multiline) // not making rtf
run_strings += L"\n";
}
} // end of collecting run text
int nfont = fonttable.Count();
// Any time the font for the annotation's style has
// bold, italic or underline set, we have to write rtf
// even if there are no changes in the string itself
if (run_strings.Length() > 0 && make_rtf)
{
// deff0 means use font0 for the default font throughout the string.
// If we include font0 in the font table, when we send
// the string back to the RTF control, the font listed as
// font0 will be used instead of the default font for the
// style.
// So the default font is listed as 0 and there is no
// entry in the table for font0.
rtf.Format(L"{\\rtf1");
if (0 < nfont)
{
ON_wString fonttable_string;
temp.Format(L"\\deff%d", stylefont_key);
rtf += temp;
fonttable_string = L"{\\fonttbl";
for (int fi = 0; fi < nfont; fi++)
{
//
temp.Format(L"{\\f%d %s;}", fi, fonttable[fi].Array());
fonttable_string += temp;
}
rtf += fonttable_string;
}
if (!RtfComposer::ComposeFS())
temp.Format(L"}\\f%d", stylefont_key);
else
temp.Format(L"}\\f%d \\fs%d", stylefont_key, RtfComposer::TextEditorFontSize());
rtf += temp;
if (style_bold)
rtf += L"\\b";
if (style_italic)
rtf += L"\\i";
if (style_underline)
rtf += L"\\ul";
rtf += run_strings;
// backing out the change made for RH-49725 because it causes the problem reported in RH-50733
rtf += L"}";
}
else
{
rtf = run_strings;
}
return true;
}
// Turns on or off composing for debugging
bool RtfComposer::m_bComposeRTF = true;
bool RtfComposer::RecomposeRTF()
{
return RtfComposer::m_bComposeRTF;
}
void RtfComposer::SetRecomposeRTF(bool b)
{
RtfComposer::m_bComposeRTF = b;
}
// Turns on or off adding \FS40 to composed strings
bool RtfComposer::m_bComposeFS = true;
bool RtfComposer::ComposeFS()
{
return RtfComposer::m_bComposeFS;
}
void RtfComposer::SetComposeFS(bool b)
{
RtfComposer::m_bComposeFS = b;
}
int RtfComposer::m_TextEditorSize = 0;
int RtfComposer::TextEditorFontSize()
{
if (0 < RtfComposer::m_TextEditorSize)
return RtfComposer::m_TextEditorSize;
else
return 18;
}
void RtfComposer::SetTextEditorFontSize(unsigned int size)
{
RtfComposer::m_TextEditorSize = size;
}
static const ON_wString Internal_PostScriptNameIfAvailable(const ON_Font& managed_font)
{
ON_wString style_fontname = managed_font.PostScriptName();
if (style_fontname.IsNotEmpty())
return style_fontname;
return ON_wString::FormatToString(L"Postscript-name-not-available-%u", managed_font.ManagedFontSerialNumber());
}
const ON_wString RtfComposer::ComposeAppleRTF(
const ON_TextContent* text)
{
ON_wString rtf_string;
if (0 == text)
return rtf_string;
ON_TextRunArray* runs = text->TextRuns(true);
if (nullptr == runs)
return rtf_string;
const ON_Font& style_font = text->DefaultFont();
const ON_wString style_fontname = Internal_PostScriptNameIfAvailable(style_font);
// First facename is from the ON_TextContent
// Any after that are from runs
ON_ClassArray< ON_wString > fonttable(8);
// Creates a fonttable entry the first time
unsigned int deffont_key = GetFacenameKey(style_fontname, fonttable);
int runcount = runs->Count();
int nlcount = 0;
// See if this is multi-line text
bool multiline = false;
for (int ri = 0; ri < runcount; ri++)
{
ON_TextRun* run = (*runs)[ri];
if (nullptr != run)
{
if (ON_TextRun::RunType::kText == run->Type() && 0 < nlcount)
multiline = true;
else if (ON_TextRun::RunType::kNewline == run->Type() ||
ON_TextRun::RunType::kParagraph == run->Type())
nlcount++;
}
}
ON_SimpleArray< ON_TextRun* > runholders;
for (int ri = 0; ri < runcount; ri++)
{
ON_TextRun* run = (*runs)[ri];
if (nullptr != run)
{
if (
ON_TextRun::RunType::kText == run->Type() ||
ON_TextRun::RunType::kField == run->Type()
)
{
const ON_Font* run_font = run->Font();
if (nullptr != run_font)
{
runholders.AppendNew() = run;
}
}
else if (
ON_TextRun::RunType::kParagraph == run->Type() ||
ON_TextRun::RunType::kNewline == run->Type()
)
{
runholders.AppendNew() = run;
}
}
} // end of getting runinfo
ON_wString run_strings;
ON_wString temp;
runcount = runholders.Count();
for (int ri = 0; ri < runcount; ri++)
{
ON_TextRun* run = runholders[ri];
if (nullptr == run)
continue;
if (
ON_TextRun::RunType::kText == run->Type() ||
ON_TextRun::RunType::kField == run->Type()
)
{
const ON_Font* run_font = run->Font();
if (nullptr == run_font)
continue;
const ON_wString& run_fontname = Internal_PostScriptNameIfAvailable(*run_font);
// add properties for this string
run_strings += L"{";
bool addspace = false;
unsigned int run_font_key = GetFacenameKey(run_fontname, fonttable);
temp.Format(L"\\f%d", run_font_key);
run_strings += temp;
addspace = true;
if (run_font->IsBoldInQuartet())
{
run_strings += L"\\b";
addspace = true;
}
if (run_font->IsItalic())
{
run_strings += L"\\i";
addspace = true;
}
if (run_font->IsUnderlined())
{
run_strings += L"\\ul";
addspace = true;
}
if (addspace)
run_strings += L" ";
bool true_bool = true;
if (run->IsStacked() == ON_TextRun::Stacked::kStacked && run->m_stacked_text != 0)
{
run_strings += L"[[";
GetRunText(run->m_stacked_text->m_top_run, run_strings, true_bool);
run_strings += run->m_stacked_text->m_separator;
GetRunText(run->m_stacked_text->m_bottom_run, run_strings, true_bool);
run_strings += L"]]";
}
else if (ON_TextRun::RunType::kField == run->Type())
{
run_strings += L"%<";
GetRunText(run, run_strings, true_bool);
run_strings += L">%";
}
else
{
GetRunText(run, run_strings, true_bool);
}
if (ri < runcount - 2)
{
ON_TextRun* par_run = runholders[ri + 1];
if (nullptr != par_run && (ON_TextRun::RunType::kNewline == par_run->Type() || ON_TextRun::RunType::kParagraph == par_run->Type()))
{
const ON_Font* par_run_font = par_run->Font();
if (nullptr != par_run_font)
{
const ON_wString& par_run_fontname = Internal_PostScriptNameIfAvailable(*par_run_font);
if (!par_run_fontname.IsEmpty())
{
unsigned int par_run_font_key = GetFacenameKey(par_run_fontname, fonttable);
if (par_run_font_key == run_font_key)
{
run_strings += L"\\\n";
ri++;
}
}
}
}
}
run_strings += L"}";
}
else if (ri < runcount - 1 && multiline && (ON_TextRun::RunType::kNewline == run->Type() || ON_TextRun::RunType::kParagraph == run->Type()))
{
temp = L"{\\par}";
const ON_Font* run_font = run->Font();
if (nullptr != run_font)
{
const ON_wString run_fontname = Internal_PostScriptNameIfAvailable(*run_font);
unsigned int run_font_key = GetFacenameKey(run_fontname, fonttable);
if(run_font_key != deffont_key)
temp.Format(L"{\\f%d \\par}", run_font_key);
}
run_strings += temp;
}
} // end of collecting run text
int nfont = fonttable.Count();
if (run_strings.Length() > 0)
{
rtf_string.Format(L"{\\rtf1");
if (0 < nfont)
{
ON_wString fonttable_string;
temp.Format(L"\\deff%d", deffont_key);
rtf_string += temp;
fonttable_string = L"{\\fonttbl";
for (int fi = 0; fi < nfont; fi++)
{
temp.Format(L"{\\f%d %s;}", fi, fonttable[fi].Array());
fonttable_string += temp;
}
rtf_string += fonttable_string;
}
if (!RtfComposer::ComposeFS())
temp.Format(L"}\\f%d", deffont_key);
else
temp.Format(L"}\\f%d \\fs%d", deffont_key, RtfComposer::TextEditorFontSize());
rtf_string += temp;
rtf_string += run_strings;
rtf_string += L"}";
}
return rtf_string;
}
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