251 lines
6.4 KiB
C++
251 lines
6.4 KiB
C++
#include "xmlconfig.h"
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#include <QFile>
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#include <QDebug>
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using namespace Config;
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class Impl_ParseException : public ParseException
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{
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public:
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Impl_ParseException(const QString &title, const QString &reason)
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{
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temp_string = QString("%1：%2").arg(title, reason);
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title_length = title.length();
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}
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virtual ~Impl_ParseException() = default;
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// exception interface
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public:
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virtual const char *what() const noexcept override {
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return temp_string.toLocal8Bit();
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}
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// ParseException interface
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public:
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virtual QString reason() const override{ return temp_string.mid(title_length+1);}
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virtual QString title() const override{ return temp_string.mid(0, title_length);}
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private:
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int title_length;
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QString temp_string;
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};
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XMLConfig::XMLConfig(QObject *parent)
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: Configration(parent)
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{
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}
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void XMLConfig::loadFile(const QString &path)
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{
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file_path = path;
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QFile config(path);
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if(!config.exists()){
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if(!config.open(QIODevice::WriteOnly|QIODevice::Text))
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throw new Impl_ParseException("解析错误", QString("指定路径无法创建配置文件：%1").arg(path));
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QTextStream tout(&config);
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tout.setCodec("UTF-8");
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tout << "<?xml version='1.0'?>" << endl;
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tout << "<config />" << endl;
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tout.flush();
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config.flush();
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config.close();
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}
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if(!config.open(QIODevice::Text|QIODevice::ReadOnly))
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throw new Impl_ParseException("解析错误", QString("指定路径：%1，配置文件无法打开").arg(path));
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QString err_str; int err_row, err_col;
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if(!doc_ins.setContent(&config, false, &err_str, &err_row, &err_col))
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throw new Impl_ParseException("解析错误", QString("指定配置文件：%1，row:%2,col:%3,格式错误。").arg(err_col).arg(err_row).arg(err_col));
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}
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QDir XMLConfig::currentDir() const
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{
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return QFileInfo(file_path).dir();
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}
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void XMLConfig::save() const
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{
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QFile fout(this->file_path);
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if(!fout.open(QIODevice::WriteOnly | QIODevice::Text))
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throw new Impl_ParseException("配置文件保存错误", QString("指定配置文件%1保存过程中，无法打开").arg(file_path));
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QTextStream tout(&fout);
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tout.setCodec("UTF-8");
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tout << this->doc_ins.toString(4);
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tout.flush();
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fout.flush();
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fout.close();
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}
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void XMLConfig::deleteX(const QList<QString> &path)
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{
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auto elm = local_exists_elm(doc_ins.documentElement(), path);
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if(elm.isNull())
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return;
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elm.parentNode().removeChild(elm);
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}
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void XMLConfig::setConfig(const QList<QString> &path, const QString &value)
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{
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auto doc = doc_ins.documentElement();
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auto elm = rebuild_exists_elms(doc, path);
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elm.setAttribute("value", value);
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}
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QString XMLConfig::getConfig(const QList<QString> &path) const
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{
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auto elm = local_exists_elm(doc_ins.documentElement(), path);
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if(elm.isNull())
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return "";
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return elm.attribute("value");
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}
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void XMLConfig::setList(const QList<QString> &path, const QList<QString> &list)
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{
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auto root = doc_ins.documentElement();
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auto telm = rebuild_exists_elms(root, path);
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auto childs = telm.elementsByTagName("list");
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for (auto idx = childs.count() - 1; idx >= 0; --idx) {
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auto node = childs.at(idx);
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telm.removeChild(node);
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}
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for(auto &it : list){
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auto nelm = doc_ins.createElement("list");
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nelm.setAttribute("value", it);
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telm.appendChild(nelm);
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}
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}
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QList<QString> XMLConfig::getList(const QList<QString> &path) const
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{
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auto elm = local_exists_elm(doc_ins.documentElement(), path);
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QList<QString> rets;
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auto childs = elm.childNodes();
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for(auto idx=0; idx<childs.count(); ++idx){
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auto node = childs.at(idx);
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if(node.isElement() && node.toElement().tagName() == "list"){
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rets << node.toElement().attribute("value");
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}
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}
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return rets;
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}
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void XMLConfig::setMap(const QList<QString> &path, const QHash<QString, QString> &map)
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{
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auto root = doc_ins.documentElement();
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auto telm = rebuild_exists_elms(root, path);
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auto childs = telm.elementsByTagName("list");
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for (auto idx = childs.count() - 1; idx >= 0; --idx) {
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auto node = childs.at(idx);
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telm.removeChild(node);
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}
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for(auto &key : map.keys()){
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auto nelm = doc_ins.createElement("map");
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nelm.setAttribute("key", key);
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nelm.setAttribute("value", map[key]);
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telm.appendChild(nelm);
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}
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}
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QHash<QString, QString> XMLConfig::getMap(const QList<QString> &path) const
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{
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auto elm = local_exists_elm(doc_ins.documentElement(), path);
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QHash<QString, QString> rets;
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auto childs = elm.childNodes();
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for(auto idx=0; idx<childs.count(); ++idx){
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auto node = childs.at(idx);
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if(node.isElement()){
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auto elm = node.toElement();
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if(elm.tagName() == "map")
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rets[elm.attribute("key")] = elm.attribute("value");
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}
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}
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return rets;
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}
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QDomElement XMLConfig::local_exists_elm(const QDomElement &elm_base, const QList<QString> &path, int level) const
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{
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auto child = elm_base.childNodes();
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for(auto idx=0; idx<child.count(); ++idx){
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auto ins = child.at(idx);
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if(ins.isElement()){
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auto elm = ins.toElement();
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if(elm.tagName() == "path" && elm.attribute("key") == path[level]){
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// 完成过滤，进行匹配
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if(level == path.size()-1)
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return elm;
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return local_exists_elm(elm, path, level+1);
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}
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}
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}
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return QDomElement();
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}
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QDomElement XMLConfig::rebuild_exists_elms(QDomElement &elm_base, const QList<QString> &path, int level)
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{
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auto childnodes = elm_base.childNodes();
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for(auto idx=0; idx<childnodes.count(); ++idx){
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auto ins = childnodes.at(idx);
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if(ins.isElement()){
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auto eins = ins.toElement();
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if(eins.tagName() == "path" && eins.attribute("key") == path[level]){
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// 完成过滤，进行匹配
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if(level == path.size() - 1)
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return eins;
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return rebuild_exists_elms(eins, path, level+1);
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}
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}
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}
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auto nelm = elm_base.ownerDocument().createElement("path");
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nelm.setAttribute("key", path[level]);
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elm_base.appendChild(nelm);
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if(level < path.count() -1)
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return rebuild_exists_elms(nelm, path, level+1);
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return nelm;
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}
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