ukui-search/libsearch/file-utils.cpp

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/*
* Copyright (C) 2020, KylinSoft Co., Ltd.
*
* 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 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* Authors: zhangpengfei <zhangpengfei@kylinos.cn>
* Modified by: zhangzihao <zhangzihao@kylinos.cn>
* Modified by: zhangjiaping <zhangjiaping@kylinos.cn>
*
*/
#include "file-utils.h"
#include <QDebug>
#include <QFile>
#include <QFileInfo>
#include <QUrl>
#include <QMap>
#include "quazip/quazip.h"
#include <quazip/quazipfile.h>
#include <QDomDocument>
#include <QQueue>
#include "uchardet/uchardet.h"
size_t FileUtils::_max_index_count = 0;
size_t FileUtils::_current_index_count = 0;
unsigned short FileUtils::_index_status = 0;
QMap<QString, QStringList> FileUtils::map_chinese2pinyin = QMap<QString, QStringList>();
FileUtils::FileUtils()
{
}
std::string FileUtils::makeDocUterm(QString path)
{
return QCryptographicHash::hash(path.toUtf8(),QCryptographicHash::Md5).toHex().toStdString();
}
/**
* @brief FileUtils::getFileIcon 获取文件图标
* @param uri "file:///home/xxx/xxx/xxxx.txt"格式
* @param checkValid
* @return
*/
QIcon FileUtils::getFileIcon(const QString &uri, bool checkValid)
{
auto file = wrapGFile(g_file_new_for_uri(uri.toUtf8().constData()));
auto info = wrapGFileInfo(g_file_query_info(file.get()->get(),
G_FILE_ATTRIBUTE_STANDARD_ICON,
G_FILE_QUERY_INFO_NONE,
nullptr,
nullptr));
if (!G_IS_FILE_INFO (info.get()->get()))
return QIcon::fromTheme("unknown");
GIcon *g_icon = g_file_info_get_icon (info.get()->get());
QString icon_name;
//do not unref the GIcon from info.
if (G_IS_ICON(g_icon)) {
const gchar* const* icon_names = g_themed_icon_get_names(G_THEMED_ICON (g_icon));
if (icon_names) {
auto p = icon_names;
if (*p)
icon_name = QString (*p);
if (checkValid) {
while (*p) {
QIcon icon = QIcon::fromTheme(*p);
if (!icon.isNull()) {
icon_name = QString (*p);
break;
} else {
p++;
}
}
}
}
}
if (QIcon::fromTheme(icon_name).isNull()) {
return QIcon::fromTheme("unknown");
}
return QIcon::fromTheme(icon_name);
}
/**
* @brief FileUtils::getAppIcon 获取应用图标
* @param path .desktop文件的完整路径
* @return
*/
QIcon FileUtils::getAppIcon(const QString &path) {
QByteArray ba;
ba = path.toUtf8();
GKeyFile * keyfile;
keyfile = g_key_file_new();
if (!g_key_file_load_from_file(keyfile, ba.data(), G_KEY_FILE_NONE, NULL)){
g_key_file_free (keyfile);
return QIcon::fromTheme("unknown");
}
QString icon = QString(g_key_file_get_locale_string(keyfile, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_ICON, NULL, NULL));
g_key_file_free(keyfile);
if (QIcon::fromTheme(icon).isNull()) {
return QIcon(":/res/icons/desktop.png");
}
return QIcon::fromTheme(icon);
}
/**
* @brief FileUtils::getSettingIcon 获取设置图标
* @param setting 设置项传入参数,格式为 About/About->Properties
* @param is_white 选择是否返回白色图标
* @return
*/
QIcon FileUtils::getSettingIcon(const QString& setting, const bool& is_white) {
QString name = setting.left(setting.indexOf("/"));
if (! name.isEmpty()) {
name.replace(QString(name.at(0)), QString(name.at(0).toUpper()));
}
QString path;
if (is_white) {
path = QString("/usr/share/ukui-control-center/shell/res/secondaryleftmenu/%1White.svg").arg(name);
} else {
path = QString("/usr/share/ukui-control-center/shell/res/secondaryleftmenu/%1.svg").arg(name);
}
QFile file(path);
if (file.exists()) {
return QIcon(path);
} else {
return QIcon::fromTheme("ukui-control-center"); //无插件图标时,返回控制面板应用图标
// if (is_white) {
// return QIcon(QString("/usr/share/ukui-control-center/shell/res/secondaryleftmenu/%1White.svg").arg("About"));
// } else {
// return QIcon(QString("/usr/share/ukui-control-center/shell/res/secondaryleftmenu/%1.svg").arg("About"));
// }
}
}
/**
* @brief FileUtils::getFileName 获取文件名
* @param uri 格式为"file:///home/xxx/xxx/xxxx.txt"
* @return
*/
QString FileUtils::getFileName(const QString& uri) {
QFileInfo info(uri);
if (info.exists()) {
return info.fileName();
} else {
return "Unknown File";
}
// QUrl url = uri;
// if (url.fileName().isEmpty()) {
// return "Unknown File";
// }
// return url.fileName();
}
/**
* @brief FileUtils::getAppName 获取应用名
* @param path .destop文件的完整路径
* @return
*/
QString FileUtils::getAppName(const QString& path) {
QByteArray ba;
ba = path.toUtf8();
GKeyFile * keyfile;
keyfile = g_key_file_new();
if (!g_key_file_load_from_file(keyfile, ba.data(), G_KEY_FILE_NONE, NULL)){
g_key_file_free (keyfile);
return "Unknown App";
}
QString name = QString(g_key_file_get_locale_string(keyfile, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NAME, NULL, NULL));
g_key_file_free(keyfile);
return name;
}
/**
* @brief FileUtils::getSettingName 获取设置项名
* @param setting 设置项传入参数,格式为 About/About->Properties
* @return
*/
QString FileUtils::getSettingName(const QString& setting) {
return setting.right(setting.length() - setting.lastIndexOf("/") - 1);
}
void FileUtils::loadHanziTable(const QString &fileName)
{
QFile file(fileName);
if (!file.open(QFile::ReadOnly | QFile::Text)) {
qDebug("File: '%s' open failed!", file.fileName().toStdString().c_str());
return;
}
/* 读取汉字对照表文件并转换为QMap存储 */
while(!file.atEnd()) {
QString content = QString::fromUtf8(file.readLine());
FileUtils::map_chinese2pinyin[content.split(" ").last().trimmed()] = content.split(" ").first().split(",");
}
file.close();
return;
}
QMimeType FileUtils::getMimetype(QString &path)
{
QMimeDatabase mdb;
QMimeType type = mdb.mimeTypeForFile(path,QMimeDatabase::MatchContent);
return type;
}
//aborted
QString FileUtils::find(const QString &hanzi)
{
// static QMap<QString, QStringList> map = loadHanziTable("://index/pinyinWithoutTone.txt");
// static QMap<QString, QStringList> map;
QString output;
QStringList stringList = hanzi.split("");
/* 遍历查找汉字-拼音对照表的内容并将汉字替换为拼音 */
for (const QString &str : stringList) {
if (FileUtils::map_chinese2pinyin.contains(str))
output += FileUtils::map_chinese2pinyin[str].first();
else
output += str;
}
return output;
}
//DFS多音字太多直接GG
void stitchMultiToneWordsDFS(const QString& hanzi, const QString& resultAllPinYin, const QString& resultFirst, QStringList& resultList){
if (hanzi.size() == 0){
resultList.append(resultAllPinYin);
resultList.append(resultFirst);
return;
}
if (FileUtils::map_chinese2pinyin.contains(hanzi.at(0))){
for (auto i : FileUtils::map_chinese2pinyin[hanzi.at(0)]){
stitchMultiToneWordsDFS(hanzi.right(hanzi.size() - 1), resultAllPinYin + i, resultFirst + i.at(0), resultList);
}
}
else{
stitchMultiToneWordsDFS(hanzi.right(hanzi.size() - 1), resultAllPinYin + hanzi.at(0), resultFirst + hanzi.at(0), resultList);
}
}
//BFS+Stack多音字太多会爆栈
void stitchMultiToneWordsBFSStack(const QString& hanzi, QStringList& resultList){
QString tempHanzi, resultAllPinYin, resultFirst;
QQueue<QString> tempQueue;
tempHanzi = hanzi;
int tempQueueSize = 0;
if (FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))){
for (auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]){
tempQueue.enqueue(i);
}
}
else{
tempQueue.enqueue(tempHanzi.at(0));
}
tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
while (tempHanzi.size() != 0) {
tempQueueSize = tempQueue.size();
if (FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))){
for (int j = 0; j < tempQueueSize; ++j){
for (auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]){
tempQueue.enqueue(tempQueue.head() + i);
}
tempQueue.dequeue();
}
}
else{
for (int j = 0; j < tempQueueSize; ++j){
tempQueue.enqueue(tempQueue.head() + tempHanzi.at(0));
tempQueue.dequeue();
}
}
tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
}
while(!tempQueue.empty()){
resultList.append(tempQueue.dequeue());
}
}
//BFS+Heap多音字太多会耗尽内存
void stitchMultiToneWordsBFSHeap(const QString& hanzi, QStringList& resultList){
QString tempHanzi, resultAllPinYin, resultFirst;
QQueue<QString>* tempQueue = new QQueue<QString>;
tempHanzi = hanzi;
int tempQueueSize = 0;
if (FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))){
for (auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]){
tempQueue->enqueue(i);
}
}
else{
tempQueue->enqueue(tempHanzi.at(0));
}
tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
while (tempHanzi.size() != 0) {
tempQueueSize = tempQueue->size();
if (FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))){
for (int j = 0; j < tempQueueSize; ++j){
for (auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]){
tempQueue->enqueue(tempQueue->head() + i);
}
tempQueue->dequeue();
}
}
else{
for (int j = 0; j < tempQueueSize; ++j){
tempQueue->enqueue(tempQueue->head() + tempHanzi.at(0));
tempQueue->dequeue();
}
}
tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
}
while(!tempQueue->empty()){
resultList.append(tempQueue->dequeue());
}
delete tempQueue;
tempQueue = nullptr;
}
//BFS+Heap+超过3个多音字只建一个索引比较折中的方案
void stitchMultiToneWordsBFSHeapLess3(const QString& hanzi, QStringList& resultList){
QString tempHanzi, resultAllPinYin, resultFirst;
QQueue<QString>* tempQueue = new QQueue<QString>;
QQueue<QString>* tempQueueFirst = new QQueue<QString>;
tempHanzi = hanzi;
int tempQueueSize = 0;
int multiToneWordNum = 0;
for (auto i : hanzi){
if (FileUtils::map_chinese2pinyin.contains(i)){
if (FileUtils::map_chinese2pinyin[i].size() > 1){
++multiToneWordNum;
}
}
}
if (multiToneWordNum > 3){
QString oneResult, oneResultFirst;
for (auto i : hanzi){
if (FileUtils::map_chinese2pinyin.contains(i)){
oneResult += FileUtils::map_chinese2pinyin[i].first();
oneResultFirst += FileUtils::map_chinese2pinyin[i].first().at(0);
}
else{
oneResult += i;
oneResultFirst += i;
}
}
resultList.append(oneResult);
resultList.append(oneResultFirst);
return;
}
if (FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))){
for (auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]){
tempQueue->enqueue(i);
tempQueueFirst->enqueue(i.at(0));
}
}
else{
tempQueue->enqueue(tempHanzi.at(0));
tempQueueFirst->enqueue(tempHanzi.at(0));
}
tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
while (tempHanzi.size() != 0) {
tempQueueSize = tempQueue->size();
if (FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))){
for (int j = 0; j < tempQueueSize; ++j){
for (auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]){
tempQueue->enqueue(tempQueue->head() + i);
tempQueueFirst->enqueue(tempQueueFirst->head() + i.at(0));
}
tempQueue->dequeue();
tempQueueFirst->dequeue();
}
}
else{
for (int j = 0; j < tempQueueSize; ++j){
tempQueue->enqueue(tempQueue->head() + tempHanzi.at(0));
tempQueueFirst->enqueue(tempQueueFirst->head() + tempHanzi.at(0));
tempQueue->dequeue();
tempQueueFirst->dequeue();
}
}
tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
}
while(!tempQueue->empty()){
resultList.append(tempQueue->dequeue());
resultList.append(tempQueueFirst->dequeue());
}
delete tempQueue;
delete tempQueueFirst;
tempQueue = nullptr;
tempQueueFirst = nullptr;
return;
}
//BFS+Stack+超过3个多音字只建一个索引比较折中的方案
void stitchMultiToneWordsBFSStackLess3(const QString& hanzi, QStringList& resultList){
QString tempHanzi, resultAllPinYin, resultFirst;
QQueue<QString> tempQueue;
QQueue<QString> tempQueueFirst;
tempHanzi = hanzi;
int tempQueueSize = 0;
int multiToneWordNum = 0;
for (auto i : hanzi){
if (FileUtils::map_chinese2pinyin.contains(i)){
if (FileUtils::map_chinese2pinyin[i].size() > 1){
++multiToneWordNum;
}
}
}
if (multiToneWordNum > 3){
QString oneResult, oneResultFirst;
for (auto i : hanzi){
if (FileUtils::map_chinese2pinyin.contains(i)){
oneResult += FileUtils::map_chinese2pinyin[i].first();
oneResultFirst += FileUtils::map_chinese2pinyin[i].first().at(0);
}
else{
oneResult += i;
oneResultFirst += i;
}
}
resultList.append(oneResult);
resultList.append(oneResultFirst);
return;
}
if (FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))){
for (auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]){
tempQueue.enqueue(i);
tempQueueFirst.enqueue(i.at(0));
}
}
else{
tempQueue.enqueue(tempHanzi.at(0));
tempQueueFirst.enqueue(tempHanzi.at(0));
}
tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
while (tempHanzi.size() != 0) {
tempQueueSize = tempQueue.size();
if (FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))){
for (int j = 0; j < tempQueueSize; ++j){
for (auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]){
tempQueue.enqueue(tempQueue.head() + i);
tempQueueFirst.enqueue(tempQueueFirst.head() + i.at(0));
}
tempQueue.dequeue();
tempQueueFirst.dequeue();
}
}
else{
for (int j = 0; j < tempQueueSize; ++j){
tempQueue.enqueue(tempQueue.head() + tempHanzi.at(0));
tempQueueFirst.enqueue(tempQueueFirst.head() + tempHanzi.at(0));
tempQueue.dequeue();
tempQueueFirst.dequeue();
}
}
tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
}
while(!tempQueue.empty()){
resultList.append(tempQueue.dequeue());
resultList.append(tempQueueFirst.dequeue());
}
// delete tempQueue;
// delete tempQueueFirst;
// 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)
{
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());
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() >= 682666) //20480000/3
{
file.close();
return;
}
wr = wr.nextSiblingElement();
}
wp = wp.nextSiblingElement();
}
body = body.nextSiblingElement();
}
file.close();
return;
}
void FileUtils::getTxtContent(QString &path, QString &textcontent)
{
QFile file(path);
if(!file.open(QIODevice::ReadOnly|QIODevice::Text))
return;
QByteArray encodedString = file.read(20480000);
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;
}