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Fix bug 80374

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This commit is contained in:
Daria Ermakova
2026-03-05 12:27:40 +03:00
parent 3676400e66
commit be1aed4cae
1 changed files with 128 additions and 20 deletions
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148
TxtFile/Source/ConvertTxt2Docx.cpp
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@ -46,6 +46,60 @@
namespace Txt2Docx
{
namespace
{
bool isEmoji(const std::string& utf8Char)
{
if (utf8Char.empty()) return false;
unsigned char c = utf8Char[0];
uint32_t codePoint = 0;
if ((c & 0xF8) == 0xF0 && utf8Char.length() >= 4)
{
codePoint = ((utf8Char[0] & 0x07) << 18) |
((utf8Char[1] & 0x3F) << 12) |
((utf8Char[2] & 0x3F) << 6) |
(utf8Char[3] & 0x3F);
}
else if ((c & 0xF0) == 0xE0 && utf8Char.length() >= 3)
{
codePoint = ((utf8Char[0] & 0x0F) << 12) |
((utf8Char[1] & 0x3F) << 6) |
(utf8Char[2] & 0x3F);
}
else
{
return false;
}
return (codePoint >= 0x1F300 && codePoint <= 0x1F9FF) ||
(codePoint >= 0x2600 && codePoint <= 0x27BF) ||
(codePoint >= 0x2B00 && codePoint <= 0x2BFF) ||
(codePoint >= 0xFE00 && codePoint <= 0xFE0F) ||
(codePoint >= 0x1F900 && codePoint <= 0x1F9FF) ||
codePoint == 0x00A9 || codePoint == 0x00AE;
}
std::string escapeXml(const std::string& text)
{
std::string result;
result.reserve(text.length() * 2);
for (char ch : text)
{
switch (ch)
{
case '&': result += "&amp;"; break;
case '<': result += "&lt;"; break;
case '>': result += "&gt;"; break;
case '"': result += "&quot;"; break;
case '\'': result += "&apos;"; break;
default: result += ch; break;
}
}
return result;
}
}
class Converter_Impl
{
public:
@ -158,8 +212,8 @@ namespace Txt2Docx
void Converter::write(NSStringUtils::CStringBuilderA &stringWriter)
{
const char* fontName = "Courier New";
const char* emojiFontName = "Segoe UI Emoji";
const char* defaultSpacing = "<w:spacing w:after=\"0\" w:line=\"240\" w:lineRule=\"auto\"/>";
for (const std::string &lineRaw : converter_->m_inputFile.m_listContentutf8)
{
std::string line = lineRaw;
@ -176,32 +230,86 @@ namespace Txt2Docx
stringWriter.WriteString(fontName);
stringWriter.WriteString("\"/></w:rPr></w:pPr>");
size_t start = 0;
while (true)
size_t i = 0;
while (i < line.length())
{
size_t pos = line.find('\x09', start);
std::string segment = (pos == std::string::npos) ? line.substr(start) : line.substr(start, pos - start);
unsigned char c = line[i];
if (!segment.empty())
if ((c & 0xF0) == 0xF0 || (c & 0xE0) == 0xE0)
{
stringWriter.WriteString("<w:r><w:rPr><w:rFonts w:ascii=\"");
stringWriter.WriteString(fontName);
stringWriter.WriteString("\" w:hAnsi=\"");
stringWriter.WriteString(fontName);
stringWriter.WriteString("\" w:cs=\"");
stringWriter.WriteString(fontName);
stringWriter.WriteString("\"/></w:rPr><w:t xml:space=\"preserve\">");
stringWriter.WriteString(segment.c_str());
stringWriter.WriteString("</w:t></w:r>");
int possibleLen = ((c & 0xF0) == 0xF0) ? 4 : 3;
if (i + possibleLen <= line.length())
{
std::string possible = line.substr(i, possibleLen);
if (isEmoji(possible))
{
stringWriter.WriteString("<w:r><w:rPr><w:rFonts w:ascii=\"");
stringWriter.WriteString(emojiFontName);
stringWriter.WriteString("\" w:hAnsi=\"");
stringWriter.WriteString(emojiFontName);
stringWriter.WriteString("\" w:cs=\"");
stringWriter.WriteString(emojiFontName);
stringWriter.WriteString("\"/></w:rPr><w:t xml:space=\"preserve\">");
stringWriter.WriteString(possible.c_str());
stringWriter.WriteString("</w:t></w:r>");
i += possibleLen;
continue;
}
}
}
if (pos == std::string::npos)
break;
size_t textStart = i;
while (i < line.length())
{
unsigned char next = line[i];
if ((next & 0xF0) == 0xF0 || (next & 0xE0) == 0xE0)
{
int checkLen = ((next & 0xF0) == 0xF0) ? 4 : 3;
if (i + checkLen <= line.length())
{
std::string check = line.substr(i, checkLen);
if (isEmoji(check))
break;
}
}
i++;
}
stringWriter.WriteString("<w:tab/>");
start = pos + 1;
std::string textSegment = line.substr(textStart, i - textStart);
size_t tabStart = 0;
while (true)
{
size_t tabPos = textSegment.find('\x09', tabStart);
std::string seg = (tabPos == std::string::npos) ?
textSegment.substr(tabStart) :
textSegment.substr(tabStart, tabPos - tabStart);
if (!seg.empty())
{
std::string escaped = escapeXml(seg);
stringWriter.WriteString("<w:r><w:rPr><w:rFonts w:ascii=\"");
stringWriter.WriteString(fontName);
stringWriter.WriteString("\" w:hAnsi=\"");
stringWriter.WriteString(fontName);
stringWriter.WriteString("\" w:cs=\"");
stringWriter.WriteString(fontName);
stringWriter.WriteString("\"/></w:rPr><w:t xml:space=\"preserve\">");
stringWriter.WriteString(escaped.c_str());
stringWriter.WriteString("</w:t></w:r>");
}
if (tabPos == std::string::npos)
break;
stringWriter.WriteString("<w:tab/>");
tabStart = tabPos + 1;
}
}
stringWriter.WriteString("</w:p>");
}
}