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Diffstat (limited to 'src/parsers/show.cpp')
| -rw-r--r-- | src/parsers/show.cpp | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/parsers/show.cpp b/src/parsers/show.cpp new file mode 100644 index 0000000..0a1c503 --- /dev/null +++ b/src/parsers/show.cpp @@ -0,0 +1,194 @@ +/*************************************************************************** + * Copyright (C) 2003 by Sylvain Joyeux * + * sylvain.joyeux@m4x.org * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + ***************************************************************************/ + +#include "parsers.h" +#include "../apt.h" + +#include <klocale.h> +#include <qregexp.h> + +static const QString + html_attribute_begin("<tr><td class=\"attname\">%1</td>\n\t<td>\n\t\t"), + html_attribute_classed("<tr class=\"%1\"><td class=\"attname\">%2</td>\n\t<td>\n\t\t"), + html_attribute_end("\n\t</td>\n</tr>\n"); + +// Converts the special chars in orig into its HTML equivalents +static QString text2html(const QString& orig) +{ QString ret(orig); + ret = ret.replace("<(?!a href)", "<"); + //ret = ret.replace( QRegExp("\n"), "<br />\n"); + return ret; +} + +static void close_indent(int indent, QString& buffer) +{ + if (buffer.isEmpty()) return; + if (indent) + buffer += "\n\t\t</div>"; +} +static void close_item(int indent, QString& buffer) +{ + if (buffer.isEmpty()) return; + close_indent(indent, buffer); + buffer += html_attribute_end; +} + +static void close_table(const QString& version, int indent, QString& buffer) +{ + if (buffer.isEmpty()) return; + close_item(indent, buffer); + buffer = version + "<table class=\"version\">\n" + buffer + "</table>\n"; +} + +static QString version_header_link(const KURL& url, const QString& name) +{ return QString("\t<a class=\"links\" href=\"" + url.htmlURL() + "\">" + name + "</a>\n"); } + +namespace Parsers +{ + +Show::Show(const QString& package, const QString& installed_version, bool act) + : m_package(package), m_installed(installed_version), m_act(false) +{ + m_act = act; +} + +void Show::operator() (AptProtocol* slave, const QString& tag, const QString& value) +{ + // Since we want to show the version first, we should wait for it + // before sending anything + static QString version; + static QString buffer; + static QString attribute; + static int indent; + static bool multiline = false; + static bool first_line = false, new_paragraph = true; + + if (tag == "begin" || tag == "package" || tag == "end") + { + if (multiline && !new_paragraph) + buffer += "</p>"; + + if (tag == "begin") + m_result_count = 0; + else + { + m_result_count += (tag == "package"); + + close_table(version, indent, buffer); + if (!buffer.isEmpty()) *slave << buffer; + } + + // init the state variables for the next package + buffer = ""; + indent = 0; + first_line = false; + new_paragraph = true; + } + else if (tag == "field") + { + if (multiline && !new_paragraph) + buffer += "</p>"; + + attribute = value; + if (value == "Depends" || value == "Description") + { + close_item(indent, buffer); + buffer += + html_attribute_begin.arg(value) + + " "; + + close_item(indent, buffer); + buffer += html_attribute_begin.arg(" "); + } + else if (value != "Version" && value != "Package") + { + close_item(indent, buffer); + buffer += html_attribute_begin.arg(value); + } + + if (value == "Description") + { + multiline = true; + new_paragraph = true; + first_line = true; + } + else + { + multiline = false; + } + } + else if (tag == "indent") + { + close_indent(indent, buffer); + + int new_indent = value.toInt(); + if (new_indent) + buffer += "\n\t<div style=\"margin-left: " + value + "em\">"; + indent = new_indent; + } + else if (tag == "data" && attribute == "Version") + { + KURL action ("apt:/get"); + + QString item_id = mangle_version(value); + if (value == m_installed) + { + action.setQuery("remove"); + version = QString("<div class=\"version-header-installed\" id=\"%1\">").arg(item_id) + + i18n("Installed version %1").arg(value); + } + else + { + action.setQuery("install"); + version = QString("<div class=\"version-header\" id=\"%1\">").arg(item_id) + + i18n("Version %1").arg(value); + } + + action.addQueryItem("package", m_package); + action.addQueryItem("version", value); + + if (m_act) + { + if (value == m_installed) + version += version_header_link(action, i18n("Remove")); + else + version += version_header_link(action, i18n("Install")); + } + version += "</div>\n"; + + } + else if (tag == "data") + { + if (multiline) + { + static const QRegExp rx_empty("^\\s*$"); + if (rx_empty.exactMatch(value)) + { + buffer += "</p>"; + new_paragraph = true; + } + else if (first_line) + { + new_paragraph = true; + first_line = false; + } + else if (new_paragraph) + { + buffer += "<p>"; + new_paragraph = false; + } + } + buffer += text2html(QString(value).replace(QRegExp("(http://\\S+)"),QString("<a href=\"\\1\">\\1</a>"))); + } + else if (tag == "package_link") + buffer += "<a href=\"" + slave->buildURL("show", value).htmlURL() + "\">" + value + "</a>"; +} + +} |