diff options
| author | Roland Reichwein <mail@reichwein.it> | 2020-04-24 11:57:28 +0200 |
|---|---|---|
| committer | Roland Reichwein <mail@reichwein.it> | 2020-04-24 11:57:28 +0200 |
| commit | 1b6682c78518228b705cab2afd5a9eb595a90bbd (patch) | |
| tree | 81e17102fb82df573c362a8b330dc097629cd4c6 /plugins | |
| parent | e76328d9bb6d8798ce45810909f09a4e1c476fb3 (diff) | |
HTML formatting
Diffstat (limited to 'plugins')
| -rw-r--r-- | plugins/weblog/weblog.cpp | 82 |
1 files changed, 64 insertions, 18 deletions
diff --git a/plugins/weblog/weblog.cpp b/plugins/weblog/weblog.cpp index b24573f..92162db 100644 --- a/plugins/weblog/weblog.cpp +++ b/plugins/weblog/weblog.cpp @@ -9,6 +9,7 @@ #include <filesystem> #include <fstream> #include <iostream> +#include <regex> #include <string> using namespace std::string_literals; @@ -172,15 +173,29 @@ namespace { return {result.begin(), result.begin() + size}; } + std::string plainTextFromPTree(const pt::ptree& tree) + { + std::string result; + + for (auto child: tree) { + if (child.first == "<xmltext>") + result += child.second.data(); + else + result += plainTextFromPTree(child.second); + } + + return result; + } + // returns plain text of string (html xml elements removed) - std::string plainText(const std::string& text) + std::string plainTextFromHTML(const std::string& text) { pt::ptree tree; std::istringstream ss{text}; - pt::read_xml(ss, tree, pt::xml_parser::no_comments | pt::xml_parser::trim_whitespace); + pt::read_xml(ss, tree, pt::xml_parser::no_comments | pt::xml_parser::no_concat_text); - return tree.get<std::string>("file"); + return plainTextFromPTree(tree); } std::string verbatimText(std::string text) @@ -191,6 +206,8 @@ namespace { return "<pre>"s + text + "</pre>"; } + std::regex re{"\\.[[:space:]\"]", std::regex::basic}; + // returns teaser of article in plain text std::string shortVersion(const fs::path& path) { @@ -207,39 +224,68 @@ namespace { // convert html to plaintext, if tagged as such // default: text/html if (it == metaData.end() || it->second == "text/html") - article = plainText(article); + article = plainTextFromHTML(article); - size_t pos1 {article.find(".")}; - - size_t num {std::min(static_cast<size_t>(1000), pos1) + 1}; + size_t pos{1000}; - return article.substr(0, num); + std::smatch match; + if (std::regex_search(article, match, re)) { + pos = std::min(pos, static_cast<size_t>(match.position() + match.length())); + } + + return article.substr(0, pos); } + class HtmlPage + { + static const std::string header; + static const std::string footer; + + std::string mContents; + + public: + HtmlPage(std::string s = ""s): mContents(s) + { + } + + HtmlPage& operator+=(const std::string& s) + { + mContents += s; + return *this; + } + + operator std::string() const + { + return header + mContents + footer; + } + }; + + const std::string HtmlPage::header{"<!DOCTYPE html><html><head><meta charset=\"utf-8\"/></head><body>"}; + const std::string HtmlPage::footer{"<br/><br/><br/><a href=\"impressum.html\">Impressum, Datenschutzerklärung</a></body></html>"}; + std::string generateIndexPage(fs::path& path, std::function<std::string(const std::string& key)>& GetRequestParam, std::function<plugin_interface_setter_type>& SetResponseHeader) { try { - std::string result{"<!DOCTYPE html><html><head><meta charset=\"utf-8\"/></head><body><h1>"s + GetRequestParam("WEBLOG_NAME") + "</h1>"s}; - + HtmlPage htmlPage{"<h1>"s + GetRequestParam("WEBLOG_NAME") + "</h1>"s}; + fs::path link{ GetRequestParam("rel_target")}; auto list{getArticleList(path)}; + if (list.empty()) + htmlPage += "(no articles found.)"; for (const auto& article: list) { std::string linkstart{"<a href=\"" + (link / article.path.filename()).string() + "/\">"}; std::string linkend{"</a>"}; - result += "<h2>"s + linkstart + article.subject + linkend + "</h2>"s + article.date + "<br/>"s; + htmlPage += "<h2>"s + linkstart + article.subject + linkend + "</h2>"s + article.date + "<br/>"s; auto sv{shortVersion(article.path)}; if (sv.size()) { - result += sv + " "s + linkstart + "more..." + linkend; + htmlPage += sv + " "s + linkstart + "more..." + linkend; } } - result += "<br/><br/><br/>"; - result += "<a href=\"impressum.html\">Impressum</a>"; - result += "</body></html>"; - return result; + return htmlPage; } catch (const std::exception& ex) { return HttpStatus("500", "Reading Index page: "s + ex.what(), SetResponseHeader); } @@ -263,9 +309,9 @@ namespace { if (it != metaData.end() && it->second == "text/plain") data = verbatimText(data); - std::string result { "<!DOCTYPE html><html><head><meta charset=\"utf-8\"/></head><body><h1>"s + metaData.at("Subject") + "</h1>"s + metaData.at("Date") + "<br/><br/>"s + data + "</body></html>"s}; + HtmlPage htmlPage{"<h1>"s + metaData.at("Subject") + "</h1>"s + metaData.at("Date") + "<br/><br/>"s + data}; - return result; + return htmlPage; } catch (const std::exception& ex) { return HttpStatus("500", "Reading Article: "s + ex.what(), SetResponseHeader); } |