QtNovelUI/libConfig/xmlconfig.cpp

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