89 lines
2.0 KiB
C++
89 lines
2.0 KiB
C++
#include "convertlatex.h"
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#include <cerrno>
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#include <cstring>
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#include <fstream>
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#include <iostream>
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static std::string latex_escape (const std::string &s) {
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std::string out;
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out.reserve (s.size() + s.size() / 8);
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for (unsigned char ch : s) {
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switch (ch) {
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case '\\':
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out += "\\textbackslash{}";
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break;
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case '{':
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out += "\\{";
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break;
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case '}':
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out += "\\}";
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break;
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case '%':
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out += "\\%";
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break;
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case '$':
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out += "\\$";
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break;
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case '#':
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out += "\\#";
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break;
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case '&':
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out += "\\&";
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break;
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case '_':
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out += "\\_";
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break;
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case '^':
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out += "\\textasciicircum{}";
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break;
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case '~':
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out += "\\textasciitilde{}";
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break;
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default:
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out.push_back (static_cast<char> (ch));
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break;
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}
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}
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return out;
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}
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bool ConvertLatex::save (const std::string &output_file_name) {
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if (!parse())
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return false;
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std::ofstream output (output_file_name, std::ios::trunc);
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if (!output.is_open()) {
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std::cerr << "Failed to open output file: "
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<< output_file_name
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<< " (" << std::strerror (errno) << ")\n";
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set_error_code (3);
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return false;
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}
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const auto &book_titles = titles();
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for (std::size_t i = 0; i < book_titles.size(); ++i) {
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const auto &title = book_titles[i];
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output << "\\section {" << latex_escape (title) << "}\n";
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for (std::size_t quote_index = 0;
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quote_index < quote_count (title);
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++quote_index) {
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output << " \\subsection {"
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<< latex_escape (quote_meta (title, quote_index))
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<< "}\n";
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for (const auto &text_line : quote_text_lines (title, quote_index))
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output << " " << latex_escape (text_line) << "\n";
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output << " \\subsubsection{notes}\n\n";
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}
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if (i + 1 < book_titles.size())
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output << "\n";
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}
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set_error_code (0);
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return true;
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}
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