691 lines
23 KiB
C++
691 lines
23 KiB
C++
/*
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* Copyright (C) 2020, KylinSoft Co., Ltd.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* Authors: zhangpengfei <zhangpengfei@kylinos.cn>
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* Modified by: zhangzihao <zhangzihao@kylinos.cn>
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* Modified by: zhangjiaping <zhangjiaping@kylinos.cn>
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*
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*/
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#include "file-utils.h"
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using namespace Zeeker;
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size_t FileUtils::_max_index_count = 0;
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size_t FileUtils::_current_index_count = 0;
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unsigned short FileUtils::_index_status = 0;
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FileUtils::SearchMethod FileUtils::searchMethod = FileUtils::SearchMethod::DIRECTSEARCH;
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QMap<QString, QStringList> FileUtils::map_chinese2pinyin = QMap<QString, QStringList>();
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FileUtils::FileUtils() {
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}
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std::string FileUtils::makeDocUterm(QString path) {
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return QCryptographicHash::hash(path.toUtf8(), QCryptographicHash::Md5).toHex().toStdString();
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}
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/**
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* @brief FileUtils::getFileIcon 获取文件图标
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* @param uri "file:///home/xxx/xxx/xxxx.txt"格式
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* @param checkValid
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* @return
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*/
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QIcon FileUtils::getFileIcon(const QString &uri, bool checkValid) {
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auto file = wrapGFile(g_file_new_for_uri(uri.toUtf8().constData()));
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auto info = wrapGFileInfo(g_file_query_info(file.get()->get(),
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G_FILE_ATTRIBUTE_STANDARD_ICON,
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G_FILE_QUERY_INFO_NONE,
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nullptr,
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nullptr));
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if(!G_IS_FILE_INFO(info.get()->get()))
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return QIcon::fromTheme("unknown");
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GIcon *g_icon = g_file_info_get_icon(info.get()->get());
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QString icon_name;
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//do not unref the GIcon from info.
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if(G_IS_ICON(g_icon)) {
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const gchar* const* icon_names = g_themed_icon_get_names(G_THEMED_ICON(g_icon));
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if(icon_names) {
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auto p = icon_names;
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if(*p)
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icon_name = QString(*p);
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if(checkValid) {
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while(*p) {
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QIcon icon = QIcon::fromTheme(*p);
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if(!icon.isNull()) {
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icon_name = QString(*p);
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break;
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} else {
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p++;
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}
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}
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}
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}
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}
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if(QIcon::fromTheme(icon_name).isNull()) {
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return QIcon::fromTheme("unknown");
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}
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return QIcon::fromTheme(icon_name);
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}
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/**
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* @brief FileUtils::getAppIcon 获取应用图标
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* @param path .desktop文件的完整路径
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* @return
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*/
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QIcon FileUtils::getAppIcon(const QString &path) {
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QByteArray ba;
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ba = path.toUtf8();
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GKeyFile * keyfile;
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keyfile = g_key_file_new();
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if(!g_key_file_load_from_file(keyfile, ba.data(), G_KEY_FILE_NONE, NULL)) {
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g_key_file_free(keyfile);
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return QIcon::fromTheme("unknown");
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}
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QString icon = QString(g_key_file_get_locale_string(keyfile, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_ICON, NULL, NULL));
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g_key_file_free(keyfile);
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if(QIcon::fromTheme(icon).isNull()) {
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return QIcon(":/res/icons/desktop.png");
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}
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return QIcon::fromTheme(icon);
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}
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/**
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* @brief FileUtils::getSettingIcon 获取设置图标
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* @param setting 设置项传入参数，格式为 About/About->Properties
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* @param is_white 选择是否返回白色图标
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* @return
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*/
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QIcon FileUtils::getSettingIcon(const QString& setting, const bool& is_white) {
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QString name = setting.left(setting.indexOf("/"));
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if(! name.isEmpty()) {
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name.replace(QString(name.at(0)), QString(name.at(0).toUpper()));
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}
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QString path;
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if(is_white) {
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path = QString("/usr/share/ukui-control-center/shell/res/secondaryleftmenu/%1White.svg").arg(name);
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} else {
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path = QString("/usr/share/ukui-control-center/shell/res/secondaryleftmenu/%1.svg").arg(name);
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}
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QFile file(path);
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if(file.exists()) {
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return QIcon(path);
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} else {
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return QIcon::fromTheme("ukui-control-center"); //无插件图标时，返回控制面板应用图标
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// if (is_white) {
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// return QIcon(QString("/usr/share/ukui-control-center/shell/res/secondaryleftmenu/%1White.svg").arg("About"));
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// } else {
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// return QIcon(QString("/usr/share/ukui-control-center/shell/res/secondaryleftmenu/%1.svg").arg("About"));
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// }
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}
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}
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/**
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* @brief FileUtils::getFileName 获取文件名
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* @param uri 格式为"file:///home/xxx/xxx/xxxx.txt"
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* @return
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*/
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QString FileUtils::getFileName(const QString& uri) {
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QFileInfo info(uri);
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if(info.exists()) {
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return info.fileName();
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} else {
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return "Unknown File";
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}
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// QUrl url = uri;
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// if (url.fileName().isEmpty()) {
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// return "Unknown File";
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// }
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// return url.fileName();
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}
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/**
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* @brief FileUtils::getAppName 获取应用名
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* @param path .destop文件的完整路径
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* @return
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*/
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QString FileUtils::getAppName(const QString& path) {
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QByteArray ba;
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ba = path.toUtf8();
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GKeyFile * keyfile;
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keyfile = g_key_file_new();
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if(!g_key_file_load_from_file(keyfile, ba.data(), G_KEY_FILE_NONE, NULL)) {
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g_key_file_free(keyfile);
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return "Unknown App";
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}
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QString name = QString(g_key_file_get_locale_string(keyfile, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NAME, NULL, NULL));
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g_key_file_free(keyfile);
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return name;
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}
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/**
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* @brief FileUtils::getSettingName 获取设置项名
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* @param setting 设置项传入参数，格式为 About/About->Properties
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* @return
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*/
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QString FileUtils::getSettingName(const QString& setting) {
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return setting.right(setting.length() - setting.lastIndexOf("/") - 1);
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}
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void FileUtils::loadHanziTable(const QString &fileName) {
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QFile file(fileName);
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if(!file.open(QFile::ReadOnly | QFile::Text)) {
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qDebug("File: '%s' open failed!", file.fileName().toStdString().c_str());
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return;
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}
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/* 读取汉字对照表文件并转换为QMap存储 */
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while(!file.atEnd()) {
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QString content = QString::fromUtf8(file.readLine());
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FileUtils::map_chinese2pinyin[content.split(" ").last().trimmed()] = content.split(" ").first().split(",");
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}
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file.close();
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return;
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}
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QMimeType FileUtils::getMimetype(QString &path) {
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QMimeDatabase mdb;
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QMimeType type = mdb.mimeTypeForFile(path, QMimeDatabase::MatchContent);
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return type;
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}
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//aborted
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QString FileUtils::find(const QString &hanzi) {
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// static QMap<QString, QStringList> map = loadHanziTable("://index/pinyinWithoutTone.txt");
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// static QMap<QString, QStringList> map;
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QString output;
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QStringList stringList = hanzi.split("");
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/* 遍历查找汉字-拼音对照表的内容并将汉字替换为拼音 */
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for(const QString &str : stringList) {
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if(FileUtils::map_chinese2pinyin.contains(str))
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output += FileUtils::map_chinese2pinyin[str].first();
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else
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output += str;
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}
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return output;
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}
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//DFS多音字太多直接GG
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void stitchMultiToneWordsDFS(const QString& hanzi, const QString& resultAllPinYin, const QString& resultFirst, QStringList& resultList) {
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if(hanzi.size() == 0) {
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resultList.append(resultAllPinYin);
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resultList.append(resultFirst);
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return;
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}
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if(FileUtils::map_chinese2pinyin.contains(hanzi.at(0))) {
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for(auto i : FileUtils::map_chinese2pinyin[hanzi.at(0)]) {
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stitchMultiToneWordsDFS(hanzi.right(hanzi.size() - 1), resultAllPinYin + i, resultFirst + i.at(0), resultList);
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}
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} else {
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stitchMultiToneWordsDFS(hanzi.right(hanzi.size() - 1), resultAllPinYin + hanzi.at(0), resultFirst + hanzi.at(0), resultList);
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}
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}
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//BFS+Stack多音字太多会爆栈
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void stitchMultiToneWordsBFSStack(const QString& hanzi, QStringList& resultList) {
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QString tempHanzi, resultAllPinYin, resultFirst;
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QQueue<QString> tempQueue;
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tempHanzi = hanzi;
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int tempQueueSize = 0;
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if(FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))) {
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for(auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]) {
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tempQueue.enqueue(i);
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}
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} else {
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tempQueue.enqueue(tempHanzi.at(0));
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}
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tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
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while(tempHanzi.size() != 0) {
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tempQueueSize = tempQueue.size();
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if(FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))) {
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for(int j = 0; j < tempQueueSize; ++j) {
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for(auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]) {
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tempQueue.enqueue(tempQueue.head() + i);
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}
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tempQueue.dequeue();
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}
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} else {
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for(int j = 0; j < tempQueueSize; ++j) {
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tempQueue.enqueue(tempQueue.head() + tempHanzi.at(0));
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tempQueue.dequeue();
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}
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}
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tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
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}
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while(!tempQueue.empty()) {
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resultList.append(tempQueue.dequeue());
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}
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}
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//BFS+Heap，多音字太多会耗尽内存
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void stitchMultiToneWordsBFSHeap(const QString& hanzi, QStringList& resultList) {
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QString tempHanzi, resultAllPinYin, resultFirst;
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QQueue<QString>* tempQueue = new QQueue<QString>;
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tempHanzi = hanzi;
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int tempQueueSize = 0;
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if(FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))) {
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for(auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]) {
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tempQueue->enqueue(i);
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}
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} else {
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tempQueue->enqueue(tempHanzi.at(0));
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}
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tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
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while(tempHanzi.size() != 0) {
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tempQueueSize = tempQueue->size();
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if(FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))) {
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for(int j = 0; j < tempQueueSize; ++j) {
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for(auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]) {
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tempQueue->enqueue(tempQueue->head() + i);
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}
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tempQueue->dequeue();
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}
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} else {
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for(int j = 0; j < tempQueueSize; ++j) {
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tempQueue->enqueue(tempQueue->head() + tempHanzi.at(0));
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tempQueue->dequeue();
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}
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}
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tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
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}
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while(!tempQueue->empty()) {
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resultList.append(tempQueue->dequeue());
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}
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delete tempQueue;
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tempQueue = nullptr;
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}
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//BFS+Heap+超过3个多音字只建一个索引，比较折中的方案
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void stitchMultiToneWordsBFSHeapLess3(const QString& hanzi, QStringList& resultList) {
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QString tempHanzi, resultAllPinYin, resultFirst;
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QQueue<QString>* tempQueue = new QQueue<QString>;
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QQueue<QString>* tempQueueFirst = new QQueue<QString>;
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tempHanzi = hanzi;
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int tempQueueSize = 0;
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int multiToneWordNum = 0;
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for(auto i : hanzi) {
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if(FileUtils::map_chinese2pinyin.contains(i)) {
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if(FileUtils::map_chinese2pinyin[i].size() > 1) {
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++multiToneWordNum;
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}
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}
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}
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if(multiToneWordNum > 3) {
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QString oneResult, oneResultFirst;
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for(auto i : hanzi) {
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if(FileUtils::map_chinese2pinyin.contains(i)) {
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oneResult += FileUtils::map_chinese2pinyin[i].first();
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oneResultFirst += FileUtils::map_chinese2pinyin[i].first().at(0);
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} else {
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oneResult += i;
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oneResultFirst += i;
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}
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}
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resultList.append(oneResult);
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resultList.append(oneResultFirst);
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return;
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}
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if(FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))) {
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for(auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]) {
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tempQueue->enqueue(i);
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tempQueueFirst->enqueue(i.at(0));
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}
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} else {
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tempQueue->enqueue(tempHanzi.at(0));
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tempQueueFirst->enqueue(tempHanzi.at(0));
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}
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tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
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while(tempHanzi.size() != 0) {
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tempQueueSize = tempQueue->size();
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if(FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))) {
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for(int j = 0; j < tempQueueSize; ++j) {
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for(auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]) {
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tempQueue->enqueue(tempQueue->head() + i);
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tempQueueFirst->enqueue(tempQueueFirst->head() + i.at(0));
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}
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tempQueue->dequeue();
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tempQueueFirst->dequeue();
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}
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} else {
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for(int j = 0; j < tempQueueSize; ++j) {
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tempQueue->enqueue(tempQueue->head() + tempHanzi.at(0));
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tempQueueFirst->enqueue(tempQueueFirst->head() + tempHanzi.at(0));
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tempQueue->dequeue();
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tempQueueFirst->dequeue();
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}
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}
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tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
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}
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while(!tempQueue->empty()) {
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resultList.append(tempQueue->dequeue());
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resultList.append(tempQueueFirst->dequeue());
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}
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delete tempQueue;
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delete tempQueueFirst;
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tempQueue = nullptr;
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tempQueueFirst = nullptr;
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return;
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}
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//BFS+Stack+超过3个多音字只建一个索引，比较折中的方案
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void stitchMultiToneWordsBFSStackLess3(const QString& hanzi, QStringList& resultList) {
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QString tempHanzi, resultAllPinYin, resultFirst;
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QQueue<QString> tempQueue;
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QQueue<QString> tempQueueFirst;
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tempHanzi = hanzi;
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int tempQueueSize = 0;
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int multiToneWordNum = 0;
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for(auto i : hanzi) {
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if(FileUtils::map_chinese2pinyin.contains(i)) {
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if(FileUtils::map_chinese2pinyin[i].size() > 1) {
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++multiToneWordNum;
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}
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}
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}
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if(multiToneWordNum > 3) {
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QString oneResult, oneResultFirst;
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for(auto i : hanzi) {
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if(FileUtils::map_chinese2pinyin.contains(i)) {
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oneResult += FileUtils::map_chinese2pinyin[i].first();
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oneResultFirst += FileUtils::map_chinese2pinyin[i].first().at(0);
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} else {
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oneResult += i;
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oneResultFirst += i;
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}
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}
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resultList.append(oneResult);
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resultList.append(oneResultFirst);
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return;
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}
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if(FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))) {
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for(auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]) {
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tempQueue.enqueue(i);
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tempQueueFirst.enqueue(i.at(0));
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}
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} else {
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tempQueue.enqueue(tempHanzi.at(0));
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tempQueueFirst.enqueue(tempHanzi.at(0));
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}
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tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
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while(tempHanzi.size() != 0) {
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tempQueueSize = tempQueue.size();
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if(FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))) {
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for(int j = 0; j < tempQueueSize; ++j) {
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for(auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]) {
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tempQueue.enqueue(tempQueue.head() + i);
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tempQueueFirst.enqueue(tempQueueFirst.head() + i.at(0));
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}
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tempQueue.dequeue();
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tempQueueFirst.dequeue();
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}
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} else {
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for(int j = 0; j < tempQueueSize; ++j) {
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tempQueue.enqueue(tempQueue.head() + tempHanzi.at(0));
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tempQueueFirst.enqueue(tempQueueFirst.head() + tempHanzi.at(0));
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tempQueue.dequeue();
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tempQueueFirst.dequeue();
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}
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}
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tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
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}
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while(!tempQueue.empty()) {
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resultList.append(tempQueue.dequeue());
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resultList.append(tempQueueFirst.dequeue());
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}
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// delete tempQueue;
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// delete tempQueueFirst;
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||
// tempQueue = nullptr;
|
||
// tempQueueFirst = nullptr;
|
||
return;
|
||
}
|
||
|
||
QStringList FileUtils::findMultiToneWords(const QString& hanzi) {
|
||
// QStringList* output = new QStringList();
|
||
QStringList output;
|
||
QString tempAllPinYin, tempFirst;
|
||
QStringList stringList = hanzi.split("");
|
||
|
||
// stitchMultiToneWordsDFS(hanzi, tempAllPinYin, tempFirst, output);
|
||
stitchMultiToneWordsBFSStackLess3(hanzi, output);
|
||
// qDebug() << output;
|
||
return output;
|
||
}
|
||
|
||
/**
|
||
* @brief FileUtils::getDocxTextContent
|
||
* @param path: abs path
|
||
* @return docx to QString
|
||
*/
|
||
void FileUtils::getDocxTextContent(QString &path, QString &textcontent) {
|
||
//fix me :optimized by xpath??
|
||
QFileInfo info = QFileInfo(path);
|
||
if(!info.exists() || info.isDir())
|
||
return;
|
||
QuaZip file(path);
|
||
if(!file.open(QuaZip::mdUnzip))
|
||
return;
|
||
|
||
if(!file.setCurrentFile("word/document.xml", QuaZip::csSensitive))
|
||
return;
|
||
QuaZipFile fileR(&file);
|
||
|
||
fileR.open(QIODevice::ReadOnly); //读取方式打开
|
||
|
||
QDomDocument doc;
|
||
doc.setContent(fileR.readAll());
|
||
fileR.close();
|
||
QDomElement first = doc.firstChildElement("w:document");
|
||
QDomElement body = first.firstChildElement("w:body");
|
||
while(!body.isNull()) {
|
||
QDomElement wp = body.firstChildElement("w:p");
|
||
while(!wp.isNull()) {
|
||
QDomElement wr = wp.firstChildElement("w:r");
|
||
while(!wr.isNull()) {
|
||
QDomElement wt = wr.firstChildElement("w:t");
|
||
textcontent.append(wt.text().replace("\n", ""));
|
||
if(textcontent.length() >= MAX_CONTENT_LENGTH / 3) {
|
||
file.close();
|
||
return;
|
||
}
|
||
wr = wr.nextSiblingElement();
|
||
}
|
||
wp = wp.nextSiblingElement();
|
||
}
|
||
body = body.nextSiblingElement();
|
||
}
|
||
file.close();
|
||
return;
|
||
}
|
||
|
||
void FileUtils::getPptxTextContent(QString &path, QString &textcontent) {
|
||
QFileInfo info = QFileInfo(path);
|
||
if(!info.exists() || info.isDir())
|
||
return;
|
||
QuaZip file(path);
|
||
if(!file.open(QuaZip::mdUnzip))
|
||
return;
|
||
QString prefix("ppt/slides/slide");
|
||
QStringList fileList;
|
||
for(QString i : file.getFileNameList()) {
|
||
if(i.startsWith(prefix))
|
||
fileList << i;
|
||
}
|
||
if(fileList.isEmpty())
|
||
return;
|
||
QDomElement sptree;
|
||
QDomElement sp;
|
||
QDomElement txbody;
|
||
QDomElement ap;
|
||
QDomElement ar;
|
||
QDomDocument doc;
|
||
QDomElement at;
|
||
// QDomNodeList atList;
|
||
for(int i = 0; i < fileList.size(); ++i) {
|
||
QString name = prefix + QString::number(i + 1) + ".xml";
|
||
if(!file.setCurrentFile(name)) {
|
||
continue;
|
||
}
|
||
QuaZipFile fileR(&file);
|
||
fileR.open(QIODevice::ReadOnly);
|
||
doc.clear();
|
||
doc.setContent(fileR.readAll());
|
||
fileR.close();
|
||
|
||
//fix me :optimized by xpath??
|
||
//This method looks better but slower,
|
||
//If xml file is very large with many useless node,this method will take a lot of time.
|
||
|
||
// atList = doc.elementsByTagName("a:t");
|
||
// for(int i = 0; i<atList.size(); ++i)
|
||
// {
|
||
// at = atList.at(i).toElement();
|
||
// if(!at.isNull())
|
||
// {
|
||
// textcontent.append(at.text().replace("\r","")).replace("\t"," ");
|
||
// if(textcontent.length() >= MAX_CONTENT_LENGTH/3)
|
||
// {
|
||
// file.close();
|
||
// return;
|
||
// }
|
||
// }
|
||
// }
|
||
//This is ugly but seems more efficient when handel a large file.
|
||
sptree = doc.firstChildElement("p:sld").firstChildElement("p:cSld").firstChildElement("p:spTree");
|
||
while(!sptree.isNull()) {
|
||
sp = sptree.firstChildElement("p:sp");
|
||
while(!sp.isNull()) {
|
||
txbody = sp.firstChildElement("p:txBody");
|
||
while(!txbody.isNull()) {
|
||
ap = txbody.firstChildElement("a:p");
|
||
while(!ap.isNull()) {
|
||
ar = ap.firstChildElement("a:r");
|
||
while(!ar.isNull()) {
|
||
at = ar.firstChildElement("a:t");
|
||
textcontent.append(at.text().replace("\r", "")).replace("\t", "");
|
||
if(textcontent.length() >= MAX_CONTENT_LENGTH / 3) {
|
||
file.close();
|
||
return;
|
||
}
|
||
ar = ar.nextSiblingElement();
|
||
}
|
||
ap = ap.nextSiblingElement();
|
||
}
|
||
txbody = txbody.nextSiblingElement();
|
||
}
|
||
sp = sp.nextSiblingElement();
|
||
}
|
||
sptree = sptree.nextSiblingElement();
|
||
}
|
||
}
|
||
file.close();
|
||
return;
|
||
}
|
||
|
||
void FileUtils::getXlsxTextContent(QString &path, QString &textcontent) {
|
||
QFileInfo info = QFileInfo(path);
|
||
if(!info.exists() || info.isDir())
|
||
return;
|
||
QuaZip file(path);
|
||
if(!file.open(QuaZip::mdUnzip))
|
||
return;
|
||
|
||
if(!file.setCurrentFile("xl/sharedStrings.xml", QuaZip::csSensitive))
|
||
return;
|
||
QuaZipFile fileR(&file);
|
||
|
||
fileR.open(QIODevice::ReadOnly); //读取方式打开
|
||
|
||
QDomDocument doc;
|
||
doc.setContent(fileR.readAll());
|
||
fileR.close();
|
||
QDomElement sst = doc.firstChildElement("sst");
|
||
QDomElement si;
|
||
QDomElement r;
|
||
QDomElement t;
|
||
while(!sst.isNull()) {
|
||
si = sst.firstChildElement("si");
|
||
while(!si.isNull()) {
|
||
r = si.firstChildElement("r");
|
||
if(r.isNull()) {
|
||
t = si.firstChildElement("t");
|
||
} else {
|
||
t = r.firstChildElement("t");
|
||
}
|
||
if(t.isNull())
|
||
continue;
|
||
textcontent.append(t.text().replace("\r", "").replace("\n", ""));
|
||
if(textcontent.length() >= MAX_CONTENT_LENGTH / 3) {
|
||
file.close();
|
||
return;
|
||
}
|
||
si = si.nextSiblingElement();
|
||
}
|
||
sst = sst.nextSiblingElement();
|
||
}
|
||
file.close();
|
||
return;
|
||
}
|
||
|
||
void FileUtils::getPdfTextContent(QString &path, QString &textcontent) {
|
||
Poppler::Document *doc = Poppler::Document::load(path);
|
||
if(doc->isLocked())
|
||
return;
|
||
const QRectF qf;
|
||
int pageNum = doc->numPages();
|
||
for(int i = 0; i < pageNum; ++i) {
|
||
textcontent.append(doc->page(i)->text(qf).replace("\n", ""));
|
||
if(textcontent.length() >= MAX_CONTENT_LENGTH / 3)
|
||
break;
|
||
}
|
||
delete doc;
|
||
return;
|
||
}
|
||
|
||
void FileUtils::getTxtContent(QString &path, QString &textcontent) {
|
||
QFile file(path);
|
||
if(!file.open(QIODevice::ReadOnly | QIODevice::Text))
|
||
return;
|
||
|
||
QByteArray encodedString = file.read(MAX_CONTENT_LENGTH);
|
||
|
||
uchardet_t chardet = uchardet_new();
|
||
if(uchardet_handle_data(chardet, encodedString.constData(), encodedString.size()) != 0)
|
||
qWarning() << "Txt file encoding format detect fail!" << path;
|
||
|
||
uchardet_data_end(chardet);
|
||
const char *codec = uchardet_get_charset(chardet);
|
||
|
||
if(QTextCodec::codecForName(codec) == 0)
|
||
qWarning() << "Unsupported Text encoding format" << path << QString::fromLocal8Bit(codec);
|
||
|
||
QTextStream stream(encodedString, QIODevice::ReadOnly);
|
||
stream.setCodec(codec);
|
||
uchardet_delete(chardet);
|
||
|
||
textcontent = stream.readAll().replace("\n", "");
|
||
|
||
file.close();
|
||
encodedString.clear();
|
||
chardet = NULL;
|
||
stream.flush();
|
||
|
||
return;
|
||
}
|