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Pango/Escape: used a stringstream for constructing the escaped text

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(cherry-picked from commit 6920729812)
This commit is contained in:
Charles Dang 2018-06-23 04:42:05 +11:00
parent a5859dc957
commit e679abcf84
1 changed files with 19 additions and 14 deletions
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33
src/font/pango/escape.hpp
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@ -14,8 +14,10 @@
#pragma once
namespace font {
#include <sstream>
namespace font
{
/**
* Escapes the pango markup characters in a text.
*
@ -29,32 +31,35 @@ namespace font {
*/
inline std::string escape_text(const std::string& text)
{
std::string result;
std::ostringstream ss;
for(const char c : text) {
switch(c) {
case '&': result += "&amp;"; break;
case '<': result += "&lt;"; break;
case '>': result += "&gt;"; break;
case '\'': result += "&apos;"; break;
case '"': result += "&quot;"; break;
default: result += c;
case '&': ss << "&amp;"; break;
case '<': ss << "&lt;"; break;
case '>': ss << "&gt;"; break;
case '\'': ss << "&apos;"; break;
case '"': ss << "&quot;"; break;
default: ss << c;
}
}
return result;
return ss.str();
}
// Escape only the ampersands. This is used by pango_text to try to recover from
// markup parsing failure.
inline std::string semi_escape_text(const std::string & text) {
std::string semi_escaped;
inline std::string semi_escape_text(const std::string & text)
{
std::ostringstream ss;
for(const char c : text) {
if(c == '&') {
semi_escaped += "&amp;";
ss << "&amp;";
} else {
semi_escaped += c;
ss << c;
}
}
return semi_escaped;
return ss.str();
}
} // end namespace font