321 lines
12 KiB
C++
321 lines
12 KiB
C++
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#include <regex>
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#include "util.h"
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#include "file.h"
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#include "html_util.h"
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#include "heading.h"
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#include "log.h"
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#include "show.h"
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std::ostream& operator<<(std::ostream& os, const Heading h)
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{
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os << h.m_level << " "
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<< h.m_filename << " "
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<< h.m_section << " "
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<< h.m_id << " "
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<< h.m_number << " "
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<< h.m_title;
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return os;
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}
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std::string levels_to_section(std::vector<unsigned int> levels)
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{
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(void)K::log(3);
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std::string result {};
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auto count = levels.size();
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for (unsigned int i = 0; i < count; i++) {
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if (levels[i] == 0)
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break;
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result += std::to_string(levels[i]);
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if (i < count - 1)
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result += ".";
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}
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if (count > 1)
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result = result.substr(0, result.size()-1);
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return result;
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}
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int part_number = 1;
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int unnumbered_id = 0;
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/*
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std::tuple<std::string, std::vector<Heading>, std::vector<unsigned int>, unsigned int>
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add_section_numbers(std::string s, std::string basename, std::vector<unsigned int> levels, unsigned int initial_id,
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std::map<std::string, std::string>& section_id_map)
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{
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(void)K::log(3);
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auto depth { levels.size() };
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std::vector<Heading> headings {};
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std::string text { s };
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std::regex section_rgx (R"((.*?)<h(\d)(.*?)>(.*?)</h\2>)");
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std::regex part_rgx (R"((.*?)<kt-part(.*?)>Part (\d+)\s*<br>\s*(.*?)\s*</kt-part>)");
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std::regex id_rgx(R"((.*?)id=\"([-\w]+)\"(.*))");
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unsigned int id_number { initial_id };
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//std::string result {};
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std::stringstream result {};
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for (std::string line : regex_split(s, std::regex(R"(\n)"), false)) {
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std::smatch match {};
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if (std::regex_match(line, match, part_rgx)) {
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std::string pre { match[1] };
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std::string attr { match[2] };
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std::string level { match[3] };
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std::string title { match[4] };
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std::string id_prefix { "_part_"};
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std::string id {};
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std::smatch id_match {};
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if (std::regex_match(attr, id_match, id_rgx)) {
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id = id_match[2];
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} else {
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id = id_prefix + std::to_string(part_number);
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}
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//title = "Part " + std::to_string(part_number) + " - " + title;
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//std::string section = "Part " + level;
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std::string section = "Part " + std::to_string(part_number);
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elements_t part_title
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{ html::elt("kt-part",
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{ html::elt("span", section).attr("class", "sectionnumber"),
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html::elt("span", trim(title)).attr("class", "sectiontitle") })
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.attr("id", id)
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.attr("data-level", level) };
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result << pre << part_title << "\n";
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headings.push_back(Heading(0, basename, section, id, "0", title));
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part_number += 1;
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} else if (std::regex_match(line, match, section_rgx)) {
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std::string pre { match[1] };
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int level { std::stoi(match[2]) };
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std::string attr { match[3] };
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std::string title { match[4] };
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bool numbered = attr.find("numbered") != std::string::npos;
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std::string section {};
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if (numbered) {
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levels[level-1] = levels[level-1] + 1;
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for (unsigned int li = level; li < depth; li++)
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levels[li] = 0;
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section = levels_to_section(levels);
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}
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std::string id {};
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std::smatch id_match {};
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if (std::regex_match(attr, id_match, id_rgx)) {
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id = id_match[2];
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} else {
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if (section.size() == 0) {
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id = "_su_" + std::to_string(unnumbered_id++);
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} else {
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id = "_s_" + string_replace(section, ".", "_");
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}
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}
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std::string link_target = file_basename(basename) + link_delimiter + id;
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section_id_map[title] = link_target;
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//<h1 id="image-tests" style="clear:both;" class="headerlink">
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// <span class="sectionnumber">1</span>Image tests</h1>
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elements_t title_parts {};
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if (numbered) {
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title_parts.push_back(html::elt("span", trim(section)).attr("class", "sectionnumber"));
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}
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title_parts.push_back(html::elt("span", trim(title)).attr("class", "sectiontitle"));
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// msg() << "title_parts: " << title_parts << "\n";
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elements_t section_title
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{ html::elt("h"+std::to_string(level), title_parts)
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.attr("id", id)
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.attr("data-level", std::to_string(level))};
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// msg() << pre << section_title << "\n";
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result << pre << section_title << "\n";
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headings.push_back(Heading(level, basename, section, id, "0", title));
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} else {
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result << line << "\n";
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}
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}
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//std::cout << "add_section_numbers: " << result.str() << " "
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//<< headings.size() << " " << levels.size() << " " << id_number << "\n";
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return std::tuple(result.str(), headings, levels, id_number);
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}
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*/
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std::string make_html_table_of_contents(std::vector<Heading> headings)
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{
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elements_t toc { html::elt("h1", "Contents") };
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for (auto [level, filename, section, id, number, title] : headings) {
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toc.push_back(
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html::elt("div",
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html::elt("a", {
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html::elt("span", section).attr("class", "level_number"),
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title })
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.attr("href", "^#" + id)
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.attr("class", "level"))
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.attr("class", "level" + std::to_string(level)));
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}
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//auto toc_elt = html::elt("div", toc).attr("id", "toc");
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std::string result { "<div id=\"pagetoc\">\n" + to_string(toc) + "\n</div>\n" };
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return result;
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}
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std::string toc_link_attrs(
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std::string section, std::string title, std::string filename, std::string target, int level)
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{
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std::string basename = file_basename(filename);
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std::stringstream ss {};
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ss << "class=\"navlink\" data-page=\"" << basename
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<< "\" data-target=\"" << target << "\">\n<span class=\"section-title\" level=\"" << level << "\">\n";
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if (section.size() > 0) {
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ss << "<span class=\"section-number\">" << section << "</span>\n";
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}
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ss << "<span class=\"section-title-text\">" << title << "</span>\n"
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<< "</span>\n";
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return ss.str();
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}
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std::pair<int, std::string>
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make_navigation_table_of_contents(std::vector<Heading> headings)
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{
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std::stringstream toc {};
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long unsigned int i = 1;
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//int max_level = 0;
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//int last_level = 0;
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int max_level = 1;
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int last_level = 1;
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toc << "<ul id=\"toc_items\">\n";
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int min_level = 7;
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for (auto h : headings) {
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min_level = std::min(h.m_level, min_level);
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}
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bool unnumbered_start = headings.size() > 0 ? headings[0].m_section.empty() : false;
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if (unnumbered_start) { // Unnumbered first section (preface, for example)
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toc << "<ul>\n";
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}
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for (auto [item_level, filename, section, id, number, title] : headings) {
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// msg() << " level: " << item_level << "; filename: " << filename << "; section: " << section
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// << "; id: " << id << "; number: " << number << "; title: " << title << "\n";
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bool promote_unnumbered = unnumbered_start && min_level == 0 and section.empty();
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if (promote_unnumbered) {
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item_level--;
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}
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std::string basename = file_basename(filename);
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max_level = std::max(max_level, item_level);
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//int next_level = i < headings.size() ? headings[i].m_level : 0;
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int next_level = i < headings.size() ? headings[i].m_level : 1;
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if (promote_unnumbered) {
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next_level = std::max(0, next_level - 1);
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}
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// std::cout << "|" << item_level << "|" << section << "|" << id << "|"
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// << title << "| " << "next: " << next_level << "\n";
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std::string link = toc_link_attrs(section, title, basename, id, item_level);
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if (next_level == item_level) {
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toc << "<li " << link << "</li>\n";
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/*
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} else if (next_level > item_level) {
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toc << "<li><span class=\"caret\" data-level=\"" << item_level << "\">"
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<< "<span " << link<< "</span></span>\n"
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<< "<ul class=\"nested\">\n";
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*/
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} else if (next_level > item_level) {
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toc << "<li><span class=\"caret\" data-level=\"" << item_level << "\"></span>\n"
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<< "<span " << link<< "</span>\n"
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<< "<ul class=\"nested";
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/*
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if (section.size() == 0) {
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toc << " unnumbered";
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}
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*/
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toc << "\">\n";
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} else {
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//toc << "<li " << link << "</li>\n</ul>\n</li>\n";
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toc << "<li " << link << "</li>\n";
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/*
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if (unnumbered_start) {
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next_level += 1;
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}
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*/
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int offset = unnumbered_start ? 1 : 0;
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//int offset = unnumbered_start ? 3 : 2;
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offset = 0;
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for (int lev = item_level; lev > next_level + offset; lev--) {
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toc << "</ul>\n</li>\n";
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}
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unnumbered_start = false;
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}
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i++;
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last_level = item_level;
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}
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toc << "</ul>\n";
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for (int j = 0; j < last_level - 2; j++) {
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toc << "</li>\n</ul>\n";
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}
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return {max_level, toc.str()};
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}
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void show_table_of_contents(
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std::string kt_root_filename, std::string title, std::vector<Heading> headings)
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{
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long unsigned int width = kt_root_filename.size();
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for (Heading h : headings) {
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width = std::max(width, h.m_filename.size());
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}
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width += 2;
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int tab = 2;
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std::string current_filename = "";
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std::string bar = " | ";
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std::cout << "\n" << std::string(width - kt_root_filename.size(), ' ')
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<< kt_root_filename << bar << title << "\n";
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for (auto [level, filename, section, id, number, htitle] : headings) {
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std::string f = "";
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if (filename != current_filename) {
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f = std::string(width - filename.size(), ' ') + filename + bar;
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current_filename = filename;
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} else {
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f = std::string(width, ' ') + bar;
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}
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std::cout << f << std::string((level-1) * tab, ' ') << section << " " << htitle << "\n";
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}
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std::cout << "\n";
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}
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std::string cache_table_of_contents(
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std::string kt_root_filename, std::string title, std::vector<Heading> headings)
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{
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long unsigned int width = kt_root_filename.size();
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for (Heading h : headings) {
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width = std::max(width, h.m_filename.size());
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}
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width += 2;
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int tab = 2;
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std::string current_filename = "";
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std::string bar = " | ";
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std::stringstream ss {};
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ss << "\n" << std::string(width - kt_root_filename.size(), ' ')
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<< kt_root_filename << bar << title << "\n";
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for (auto [level, filename, section, id, number, htitle] : headings) {
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std::string f = "";
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if (filename != current_filename) {
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f = std::string(width - filename.size(), ' ') + filename + bar;
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current_filename = filename;
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} else {
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f = std::string(width, ' ') + bar;
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}
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ss << f << std::string((level) * tab, ' ');
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if (section.size() > 0) {
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ss << section << " ";
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}
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ss << htitle << "\n";
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}
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ss << "\n";
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std::string cache_filename =
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cache_directory(kt_root_filename, "_html_pages") + "/toc.txt";
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string_to_file(cache_filename, ss.str());
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return cache_filename;
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}
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