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ukui-search
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perf(file-index):使用ukui-file-metadata提供的文件内容解析接口替换原有功能

This commit is contained in:
iaom 2023-11-08 10:08:04 +08:00
parent e18bb390a7
commit 8b2ab37f91
11 changed files with 181 additions and 984 deletions
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8
libsearch/CMakeLists.txt
View File

@ -13,6 +13,7 @@ find_package(Qt${QT_VERSION_MAJOR} COMPONENTS Core DBus Widgets Xml Concurrent S
find_package(PkgConfig REQUIRED)
find_package(KF5WindowSystem)
find_package(qt5xdg)
find_package(ukui-file-metadata)
set(LIBUKUI_SEARCH_EXTERNAL_LIBS "")
set(LIBUKUI_SEARCH_PC_PKGS
@ -23,9 +24,7 @@ set(LIBUKUI_SEARCH_PC_PKGS
gsettings-qt
poppler-qt5
kysdk-qtwidgets
lept
uchardet
tesseract
kysdk-systime
kysdk-datacollect)
@ -67,7 +66,6 @@ set(LIBUKUI_SEARCH_SRC
index/index-scheduler.cpp index/index-scheduler.h
index/index-status-recorder.cpp index/index-status-recorder.h
index/index-updater.cpp index/index-updater.h
index/ocrobject.cpp index/ocrobject.h
index/pending-file.cpp index/pending-file.h
index/pending-file-queue.cpp index/pending-file-queue.h
index/search-manager.cpp index/search-manager.h
@ -103,6 +101,8 @@ set(LIBUKUI_SEARCH_SRC
icon-loader.cpp icon-loader.h
data-collecter.cpp
data-collecter.h
index/file-extraction-result.cpp
index/file-extraction-result.h
)
set(QRC_FILES resource1.qrc)
file(GLOB TS_FILES ${CMAKE_CURRENT_SOURCE_DIR}/../translations/libukui-search/*.ts)
@ -169,9 +169,9 @@ target_link_libraries(libukui-search PUBLIC
Qt${QT_VERSION_MAJOR}::Xml
chinese-segmentation
quazip5
tesseract
uchardet
xapian
ukui-file-metadata
${LIBUKUI_SEARCH_EXTERNAL_LIBS}
)

737
libsearch/file-utils.cpp
View File

@ -20,38 +20,22 @@
*
*/
#include "file-utils.h"
#include <QXmlStreamReader>
#include <QMutexLocker>
#include <gio/gdesktopappinfo.h>
#include <QDBusMessage>
#include <QDBusConnection>
#include <QDomDocument>
#include <QDBusInterface>
#include <QDBusReply>
#include <QDesktopServices>
#include <QMimeDatabase>
#include <QCryptographicHash>
#include <QFileInfo>
#include <QFile>
#include <QApplication>
#include <QDir>
#include <QDebug>
#include <QUrl>
#include <QDomElement>
#include <QClipboard>
#include <QQueue>
#include <QFontMetrics>
#include <QTextBoundaryFinder>
#include <quazip5/quazipfile.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <quazip5/quazip.h>
#include <uchardet/uchardet.h>
#include <poppler/qt5/poppler-qt5.h>
#include "gobject-template.h"
#include "hanzi-to-pinyin.h"
#include "common.h"
@ -59,155 +43,10 @@
using namespace UkuiSearch;
#define MAX_CONTENT_LENGTH 20480000
/**
* @brief 查找elem的子节点
* @param elem 起始节点
* @param names 名称链
* @param nodes 查找到的全部结果
*/
void findNodes(const QDomElement &elem, QQueue<QString> &names, QList<QDomElement> &nodes)
{
QString targetName = names.dequeue();
QDomNode node = elem.firstChild();
while (!node.isNull()) {
QDomElement e = node.toElement();
if (!e.isNull() && e.tagName() == targetName) {
if (names.empty()) {
nodes.append(e);
} else {
findNodes(e, names, nodes);
break;
}
}
node = node.nextSibling();
}
}
void findNodesByAttr(const QDomElement &elem, QQueue <QString> &names, QList <QDomElement> &nodes, const QString &attr, const QStringList &values)
{
findNodes(elem, names, nodes);
QList<QDomElement>::iterator it = nodes.begin();
while (it != nodes.end()) {
if ((*it).hasAttribute(attr) && values.contains((*it).attribute(attr))) {
it++;
} else {
it = nodes.erase(it);
}
}
}
bool findNodeText(const QDomElement &elem, QQueue<QString> &names, QString &content)
{
QList<QDomElement> nodes;
findNodes(elem, names, nodes);
for (const auto &node : nodes) {
content.append(node.text());
if (content.length() >= MAX_CONTENT_LENGTH / 3) {
return true;
}
}
return false;
}
void findNodeAttr(const QDomElement &elem, QQueue<QString> &names, const QString &attr, QStringList &attrs)
{
QList<QDomElement> nodes;
findNodes(elem, names, nodes);
for (const auto &node : nodes) {
if (node.hasAttribute(attr)) {
attrs.append(node.attribute(attr));
}
}
}
void processUOFPPT(const QDomDocument &doc, QString &content)
{
QDomElement rootElem = doc.documentElement();
QList<QDomElement> nodes;
QQueue<QString> names; //每个节点的名称
names << "uof:演示文稿" << "演:主体" << "演:幻灯片集" << "演:幻灯片";
findNodes(rootElem, names, nodes);
if (nodes.empty()) {
//TODO 在uof-ppt不存在锚点节点时，直接查找文本节点？
return;
}
QStringList objs;
//每一个 演:幻灯片 -> 锚点
for (const auto &node : nodes) {
names.clear();
names << "uof:锚点";
findNodeAttr(node, names, "uof:图形引用", objs);
}
nodes.clear();
names.clear();
names << "uof:对象集" << "图:图形";
findNodesByAttr(rootElem, names, nodes, "图:标识符", objs);
if (nodes.empty()) {
return;
}
QList<QDomElement> paraNodes; //全部段落节点
for (const auto &node : nodes) {
names.clear();
names << "图:文本内容" << "字:段落";
findNodes(node, names, paraNodes);
}
nodes.clear();
for (const auto &node : paraNodes) {
names.clear();
names << "字:句";
findNodes(node, names, nodes); //全部段落下的全部句节点
}
for (const auto &node : nodes) {
names.clear();
names << "字:文本串";
if (findNodeText(node, names, content)) {
break;
}
}
}
bool loadZipFileToDoc(QuaZip &zipFile, QDomDocument &doc, const QString &fileName)
{
if (!zipFile.isOpen() && !zipFile.open(QuaZip::mdUnzip)) {
return false;
}
if (!zipFile.setCurrentFile(fileName)) {
return false;
}
QuaZipFile file(&zipFile);
if (!file.open(QIODevice::ReadOnly)) {
return false;
}
doc.clear();
if (!doc.setContent(&file)) {
file.close();
return false;
}
file.close();
return true;
}
FileUtils::FileUtils() {
}
std::string FileUtils::makeDocUterm(QString path) {
std::string FileUtils::makeDocUterm(const QString& path) {
return QCryptographicHash::hash(path.toUtf8(), QCryptographicHash::Md5).toHex().toStdString();
}
@ -253,54 +92,7 @@ QIcon FileUtils::getSettingIcon() {
// 返回控制面板应用图标
}
/**
* @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);
}
bool FileUtils::isOrUnder(QString pathA, QString pathB)
bool FileUtils::isOrUnder(const QString& pathA, const QString& pathB)
{
if (pathB == "/") {
return true;
@ -334,301 +126,6 @@ QStringList FileUtils::findMultiToneWords(const QString &hanzi) {
return output << oneResult << firstLetter;
}
/**
* @brief FileUtils::getDocxTextContent
* @param path: abs path
* @return docx to QString
*/
void FileUtils::getDocxTextContent(const 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)) {
file.close();
return;
}
QuaZipFile fileR(&file);
fileR.open(QIODevice::ReadOnly); //读取方式打开
QXmlStreamReader reader(&fileR);
while (!reader.atEnd()){
if(reader.readNextStartElement() and reader.name().toString() == "t"){
textcontent.append(reader.readElementText().replace("\n", "").replace("\r", " "));
if(textcontent.length() >= MAX_CONTENT_LENGTH/3){
break;
}
}
}
fileR.close();
file.close();
return;
/* //原加载DOM文档方式；
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", "")).replace("\r", " ");
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(const 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()) {
file.close();
return;
}
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);
QXmlStreamReader reader(&fileR);
while (!reader.atEnd()){
if(reader.readNextStartElement() and reader.name().toString() == "t"){
textcontent.append(reader.readElementText().replace("\n", "").replace("\r", " "));
if(textcontent.length() >= MAX_CONTENT_LENGTH/3){
break;
}
}
}
fileR.close();
}
file.close();
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(const 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)) {
file.close();
return;
}
QuaZipFile fileR(&file);
fileR.open(QIODevice::ReadOnly);
QXmlStreamReader reader(&fileR);
while (!reader.atEnd()){
if(reader.readNextStartElement() and reader.name().toString() == "t"){
textcontent.append(reader.readElementText().replace("\n", "").replace("\r", " "));
if(textcontent.length() >= MAX_CONTENT_LENGTH/3){
break;
}
}
}
fileR.close();
file.close();
return;
/*
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(const QString &path, QString &textcontent) {
Poppler::Document *doc = Poppler::Document::load(path);
if(doc->isLocked()) {
delete doc;
return;
}
const QRectF qf;
int pageNum = doc->numPages();
for(int i = 0; i < pageNum; ++i) {
Poppler::Page *page = doc->page(i);
if(page) {
textcontent.append(page->text(qf).replace("\n", "").replace("\r", " "));
delete page;
if(textcontent.length() >= MAX_CONTENT_LENGTH / 3)
break;
}
}
delete doc;
return;
}
void FileUtils::getTxtContent(const 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) == nullptr) {
qWarning() << "Unsupported Text encoding format" << path << QString::fromLocal8Bit(codec);
return;
}
QTextStream stream(encodedString, QIODevice::ReadOnly);
stream.setCodec(codec);
uchardet_delete(chardet);
textcontent = stream.readAll().replace("\n", "").replace("\r", " ");
file.close();
encodedString.clear();
chardet = NULL;
stream.flush();
return;
}
int FileUtils::openFile(QString &path, bool openInDir)
{
int res = -1;
@ -710,7 +207,7 @@ int FileUtils::openFile(QString &path, bool openInDir)
delete appLaunchInterface;
}
appLaunchInterface = nullptr;
if (!isSuccess){
QDesktopServices::openUrl(QUrl::fromLocalFile(path));
}
@ -1140,234 +637,6 @@ qreal FileUtils::horizontalAdvanceContainsKeyword(const QString &content, const
return contentSize;
}
/**
* uof1.0解析
* 参考规范：GB/T 20916-2007
* 1.文字处理
* 2.电子表格
* 3.演示文稿
* ppt的内容存放在对象集中，
* 可以通过演示文稿-主体-幻灯片集-幻灯片下的锚点属性获取引用了哪些内容：
* <uof:锚点 uof:图形引用="OBJ16"/>
* 目标：文本串
*/
void FileUtils::getUOFTextContent(const QString &path, QString &textContent)
{
QFileInfo info(path);
if (!info.exists() || info.isDir()) {
return;
}
QFile file(path);
if (!file.open(QIODevice::ReadOnly)) {
return;
}
QDomDocument doc;
if (!doc.setContent(&file)) {
file.close();
return;
}
file.close();
bool isPPT = false;
QDomElement rootElem = doc.documentElement();
QDomNode node = rootElem.firstChild();
while (!node.isNull()) {
QDomElement e = node.toElement();
if (!e.isNull() && e.tagName() == "uof:演示文稿") {
isPPT = true;
break;
}
node = node.nextSibling();
}
//单独处理pdf文档
if (isPPT) {
qDebug() << path << "is PPT";
processUOFPPT(doc, textContent);
return;
}
file.open(QIODevice::ReadOnly);
QXmlStreamReader reader(&file);
while (!reader.atEnd()) {
//适用于文字处理与电子表格
if (reader.readNextStartElement() && reader.name().toString() == "文本串") {
textContent.append(reader.readElementText().replace("\n", "").replace("\r", " "));
if (textContent.length() >= MAX_CONTENT_LENGTH / 3) {
break;
}
}
}
file.close();
}
/**
* uof2.0解析
* @brief 参考规范文档 https://www.doc88.com/p-9089133923912.html 或 GJB/Z 165-2012
* ppt文档的内容存放在graphics.xml中，需要先解析content中的引用再解析graphics内容
* @param path
* @param textContent
*/
void FileUtils::getUOF2TextContent(const 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("content.xml")) {
return;
}
QuaZipFile fileR(&file);
if (!fileR.open(QIODevice::ReadOnly)) {
return;
}
QXmlStreamReader reader(&fileR);
while (!reader.atEnd()) {
if (reader.readNextStartElement() && reader.name().toString() == "文本串_415B") {
textContent.append(reader.readElementText().replace("\n", "").replace("\r", " "));
if (textContent.length() >= MAX_CONTENT_LENGTH / 3) {
break;
}
}
}
fileR.close();
file.close();
}
void FileUtils::getUOF2PPTContent(const QString &path, QString &textContent)
{
QFileInfo info = QFileInfo(path);
if (!info.exists() || info.isDir())
return;
QuaZip zipFile(path);
QDomDocument doc;
if (!loadZipFileToDoc(zipFile, doc, "content.xml")) {
return;
}
QDomElement rootElem = doc.documentElement();
QList<QDomElement> nodes;
QQueue<QString> names; //每个节点的名称
names << "演:幻灯片集_6C0E" << "演:幻灯片_6C0F";
findNodes(rootElem, names, nodes);
if (nodes.empty()) {
return;
}
QStringList attrs;
for (const auto &node : nodes) {
names.clear();
names << "uof:锚点_C644";
findNodeAttr(node, names, "图形引用_C62E", attrs);
}
if (attrs.empty()) {
return;
}
if (!loadZipFileToDoc(zipFile, doc, "graphics.xml")) {
return;
}
nodes.clear();
names.clear();
names << "图:图形_8062";
rootElem = doc.documentElement();
findNodesByAttr(rootElem, names, nodes, "标识符_804B", attrs);
QList<QDomElement> nodes416B; //字:段落_416B
for (const auto &node : nodes) {
names.clear();
names << "图:文本_803C" << "图:内容_8043" << "字:段落_416B";
findNodes(node, names, nodes416B);
}
nodes.clear();
for (const auto &node : nodes416B) {
names.clear();
names << "字:句_419D";
findNodes(node, names, nodes); //所有的 字:句_419D
}
for (const auto &node : nodes) {
names.clear();
names << "字:文本串_415B";
if (findNodeText(node, names, textContent)) {
break;
}
}
}
/**
* OFD文件解析
* @brief 参考： GB/T 33190-2016
* @param path
* @param textContent
*/
void FileUtils::getOFDTextContent(const QString &path, QString &textContent)
{
QFileInfo info = QFileInfo(path);
if (!info.exists() || info.isDir())
return;
QuaZip zipfile(path);
if (!zipfile.open(QuaZip::mdUnzip))
return;
// GB/T 33190-2016规范定义可以存在多个Doc_x目录，暂时只取第一个目录的内容
QString prefix("Doc_0/Pages/");
QStringList fileList;
for (const auto &file: zipfile.getFileNameList()) {
if (file.startsWith(prefix)) {
fileList << file;
}
}
for (int i = 0; i < fileList.count(); ++i) {
QString filename = prefix + "Page_" + QString::number(i) + "/Content.xml";
if (!zipfile.setCurrentFile(filename)) {
continue;
}
QuaZipFile fileR(&zipfile);
fileR.open(QIODevice::ReadOnly);
QXmlStreamReader reader(&fileR);
while (!reader.atEnd()) {
if (reader.readNextStartElement() && reader.name().toString() == "TextCode") {
textContent.append(reader.readElementText().replace("\n", "").replace("\r", " "));
if (textContent.length() >= MAX_CONTENT_LENGTH / 3) {
fileR.close();
zipfile.close();
return;
}
}
}
fileR.close();
}
zipfile.close();
}
QString FileUtils::getSnippetWithoutKeyword(const QString &content, int lineCount) {
QString snippet;
int numOfLine = 0;

16
libsearch/file-utils.h
View File

@ -35,28 +35,16 @@ public:
static QString setAllTextBold(const QString &name);
static QString wrapData(QLabel *p_label, const QString &text);
static qreal horizontalAdvanceContainsKeyword(const QString &content, const QString &keyword);
static std::string makeDocUterm(QString path);
static std::string makeDocUterm(const QString& path);
static QIcon getFileIcon(const QString &uri, bool checkValid = true);
static QIcon getSettingIcon();
static QString getFileName(const QString &uri);
static QString getAppName(const QString &path);
static QString getSettingName(const QString &setting);
//A is or under B
static bool isOrUnder(QString pathA, QString pathB);
static bool isOrUnder(const QString& pathA, const QString& pathB);
static QStringList findMultiToneWords(const QString &hanzi);
//parse text,docx.....
static QMimeType getMimetype(const QString &path);
static void getDocxTextContent(const QString &path, QString &textcontent);
static void getPptxTextContent(const QString &path, QString &textcontent);
static void getXlsxTextContent(const QString &path, QString &textcontent);
static void getPdfTextContent(const QString &path, QString &textcontent);
static void getTxtContent(const QString &path, QString &textcontent);
static void getUOFTextContent(const QString &path, QString &textContent);
static void getUOF2TextContent(const QString &path, QString &textContent);
static void getUOF2PPTContent(const QString &path, QString &textContent);
static void getOFDTextContent(const QString &path, QString &textContent);
static int openFile(QString &path, bool openInDir = false);
static bool copyPath(QString &path);

7
libsearch/index/file-content-indexer.cpp
View File

@ -19,6 +19,7 @@
*/
#include "file-content-indexer.h"
#include <QDateTime>
#include <QFileInfo>
#include "file-reader.h"
#include "file-utils.h"
#include "chinese-segmentation.h"
@ -36,7 +37,7 @@ bool fileContentIndexer::index()
return false;
}
QString suffix = info.suffix();
FileReader::getTextContent(m_filePath, content, suffix);
FileReader::getInstance()->getTextContent(m_filePath, content, suffix);
if(content.isEmpty()) {
return false;
}
@ -47,8 +48,8 @@ bool fileContentIndexer::index()
content.clear();
content.squeeze();
for(size_t i = 0; i < term.size(); ++i) {
m_document.addPosting(term.at(i).word, term.at(i).offsets, static_cast<int>(term.at(i).weight));
for(auto & i : term) {
m_document.addPosting(i.word, i.offsets, static_cast<int>(i.weight));
}
term.clear();
term.shrink_to_fit();

82
libsearch/index/file-extraction-result.cpp Normal file
View File

@ -0,0 +1,82 @@
/*
* Copyright (C) 2022, 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: iaom <zhangpengfei@kylinos.cn>
*
*/
#include "file-extraction-result.h"
namespace UkuiSearch {
class FileExtractionResultPrivate
{
public:
UkuiFileMetadata::PropertyMultiMap m_properties;
QString m_text;
QVector<UkuiFileMetadata::Type::Type> m_types;
};
UkuiSearch::FileExtractionResult::FileExtractionResult(const QString &url, const QString &mimetype,
const UkuiFileMetadata::ExtractionResult::Flags &flags)
: ExtractionResult(url, mimetype, flags)
, d(new FileExtractionResultPrivate)
{
}
FileExtractionResult::~FileExtractionResult() = default;
FileExtractionResult::FileExtractionResult(const FileExtractionResult &rhs): ExtractionResult(*this)
, d(new FileExtractionResultPrivate(*rhs.d))
{
}
FileExtractionResult &FileExtractionResult::operator=(const FileExtractionResult &rhs)
{
*d = *rhs.d;
return *this;
}
void FileExtractionResult::add(UkuiFileMetadata::Property::Property property, const QVariant &value)
{
d->m_properties.insert(property, value);
}
void FileExtractionResult::addType(UkuiFileMetadata::Type::Type type)
{
d->m_types << type;
}
void FileExtractionResult::append(const QString &text)
{
QString tmp = text;
d->m_text.append(tmp.replace("\n", "").replace("\r", " "));
}
UkuiFileMetadata::PropertyMultiMap FileExtractionResult::properties() const
{
return d->m_properties;
}
QString FileExtractionResult::text() const
{
return d->m_text;
}
QVector<UkuiFileMetadata::Type::Type> FileExtractionResult::types() const
{
return d->m_types;
}
}

46
libsearch/index/file-extraction-result.h Normal file
View File

@ -0,0 +1,46 @@
/*
* Copyright (C) 2022, 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: iaom <zhangpengfei@kylinos.cn>
*
*/
#ifndef UKUI_SEARCH_FILE_EXTRACTION_RESULT_H
#define UKUI_SEARCH_FILE_EXTRACTION_RESULT_H
#include <extraction-result.h>
namespace UkuiSearch {
class FileExtractionResultPrivate;
class FileExtractionResult : public UkuiFileMetadata::ExtractionResult
{
public:
explicit FileExtractionResult(const QString& url, const QString& mimetype = QString(), const Flags& flags = Flags{ExtractPlainText | ExtractMetaData});
FileExtractionResult(const FileExtractionResult& rhs);
~FileExtractionResult() override;
FileExtractionResult& operator=(const FileExtractionResult& rhs);
void add(UkuiFileMetadata::Property::Property property, const QVariant& value) override;
void addType(UkuiFileMetadata::Type::Type type) override;
void append(const QString& text) override;
UkuiFileMetadata::PropertyMultiMap properties() const;
QString text() const;
QVector<UkuiFileMetadata::Type::Type> types() const;
private:
const std::unique_ptr<FileExtractionResultPrivate> d;
};
}
#endif //UKUI_SEARCH_FILE_EXTRACTION_RESULT_H

72
libsearch/index/file-reader.cpp
View File

@ -18,51 +18,39 @@
*
*/
#include "file-reader.h"
#include "file-utils.h"
#include "binary-parser.h"
#include "ocrobject.h"
#include <ocr-utils.h>
#include <mime-utils.h>
#include <mutex>
#include "file-extraction-result.h"
#include "common.h"
using namespace UkuiSearch;
FileReader::FileReader(QObject *parent) : QObject(parent)
{
using namespace UkuiSearch;
FileReader *g_instance = nullptr;
std::once_flag g_instanceFlag;
FileReader *FileReader::getInstance()
{
std::call_once(g_instanceFlag, [] () {
g_instance = new FileReader;
});
return g_instance;
}
FileReader::FileReader()
= default;
void FileReader::getTextContent(const QString &path, QString &textContent, const QString &suffix)
{
if (suffix == "docx") {
FileUtils::getDocxTextContent(path, textContent);
} else if (suffix == "pptx") {
FileUtils::getPptxTextContent(path, textContent);
} else if (suffix == "xlsx") {
FileUtils::getXlsxTextContent(path, textContent);
} else if (suffix == "txt" or suffix == "html") {
FileUtils::getTxtContent(path, textContent);
} else if (suffix == "doc" || suffix == "dot" || suffix == "wps" || suffix == "ppt" ||
suffix == "pps" || suffix == "dps" || suffix == "et" || suffix == "xls") {
KBinaryParser searchdata;
searchdata.RunParser(path, textContent);
} else if (suffix == "pdf") {
FileUtils::getPdfTextContent(path, textContent);
} else if (true == targetPhotographTypeMap[suffix]){
OcrObject::getInstance()->getTxtContent(path, textContent);
} else if (suffix == "uof") {
QString mimeName = FileUtils::getMimetype(path).name();
if (mimeName == "application/xml" || mimeName == "application/uof") {
FileUtils::getUOFTextContent(path, textContent);
} else if (mimeName == "application/x-ole-storage") {
//uof的ppt文档不支持修改母版。一旦进行这些操作，uof文档可能会被wps存为doc文件
KBinaryParser searchdata;
searchdata.RunParser(path, textContent);
}
} else if (suffix == "uot" || suffix == "uos") {
FileUtils::getUOF2TextContent(path, textContent);
} else if (suffix == "uop") {
FileUtils::getUOF2PPTContent(path, textContent);
} else if (suffix == "ofd") {
FileUtils::getOFDTextContent(path, textContent);
if(targetPhotographTypeMap[suffix]) {
textContent = UkuiFileMetadata::OcrUtils::getTextInPicture(path);
return;
}
return;
}
QString mimeType = UkuiFileMetadata::MimeUtils::strictMimeType(path, {}).name();
QList<UkuiFileMetadata::Extractor*> extractors = m_extractorManager.fetchExtractors(mimeType);
FileExtractionResult result(path, mimeType, UkuiFileMetadata::ExtractionResult::Flag::ExtractPlainText);
for(auto extractor : extractors) {
extractor->extract(&result);
if(!result.text().isEmpty()) {
textContent = result.text();
break;
}
}
}

14
libsearch/index/file-reader.h
View File

@ -20,15 +20,17 @@
#ifndef FILEREADER_H
#define FILEREADER_H
#include <QObject>
#include <QFileInfo>
#include <extractor-manager.h>
namespace UkuiSearch {
class FileReader : public QObject {
Q_OBJECT
class FileReader{
public:
explicit FileReader(QObject *parent = nullptr);
static FileReader* getInstance();
~FileReader() = default;
static void getTextContent(const QString &path, QString &textContent, const QString &suffix);
void getTextContent(const QString &path, QString &textContent, const QString &suffix);
private:
FileReader();
UkuiFileMetadata::ExtractorManager m_extractorManager;
};
}

119
libsearch/index/ocrobject.cpp
View File

@ -1,119 +0,0 @@
/*
*
* Copyright (C) 2023, 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/>.
*
*/
#include "ocrobject.h"
OcrObject *OcrObject::m_instance = nullptr;
once_flag g_instanceFlag;
OcrObject *OcrObject::getInstance()
{
std::call_once(g_instanceFlag, [] () {
m_instance = new OcrObject;
});
return m_instance;
}
void OcrObject::getTxtContent(const QString &path, QString &textcontent)
{
// m_api = new tesseract::TessBaseAPI();
// if (m_api->Init(NULL, "chi_sim")) {
// qDebug() << "Could not initialize tesseract.\n";
// return;
// }
// m_api->SetVariable("user_defined_dpi", "1080");//图片中未标明分辨率的默认设置为1080
// Pix *image = pixRead(path.toStdString().data());
// if (!image) {
// qDebug() << "path:" << path <<" pixRead error!";
// if (m_api) {
// m_api->End();
// delete m_api;
// m_api = nullptr;
// }
// return;
// }
// m_api->SetImage(image);
// textcontent = m_api->GetUTF8Text();
// qDebug() << "path:" << path << " Text:" << textcontent;
// pixDestroy(&image);
// m_api->Clear();
// if (m_api) {
// m_api->End();
// delete m_api;
// m_api = nullptr;
// }
//多进程版本
//qDebug() << "path:" << path;
tesseract::TessBaseAPI *api = new tesseract::TessBaseAPI();
if (api->Init(NULL, "chi_sim")) {
qDebug() << "Could not initialize tesseract.\n";
return;
}
api->SetVariable("user_defined_dpi", "1080");//图片中未标明分辨率的默认设置为1080
Pix *image = pixRead(path.toStdString().data());
if (!image) {
// qDebug() << "path:" << path <<" pixRead error!";
if (api) {
api->End();
delete api;
api = nullptr;
}
return;
}
api->SetImage(image);
char *tmp = api->GetUTF8Text();
textcontent = QString::fromLocal8Bit(tmp);
delete [] tmp;
//qDebug() << " Text:" << textcontent;
pixDestroy(&image);
api->Clear();
if (api) {
api->End();
delete api;
api = nullptr;
}
}
OcrObject::OcrObject(QObject *parent) : QObject(parent)
{
// init();
}
OcrObject::~OcrObject()
{
// if (m_api) {
// m_api->End();
// delete m_api;
// m_api = nullptr;
// }
}
void OcrObject::init()
{
m_api = new tesseract::TessBaseAPI();
if (m_api->Init(NULL, "chi_sim")) {
qDebug() << "Could not initialize tesseract.\n";
return;
}
m_api->SetVariable("user_defined_dpi", "1080");//图片中未标明分辨率的默认设置为1080
}

60
libsearch/index/ocrobject.h
View File

@ -1,60 +0,0 @@
/*
*
* Copyright (C) 2023, 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: iaom <zhangpengfei@kylinos.cn>
*/
#ifndef OCROBJECT_H
#define OCROBJECT_H
#include <QObject>
#include <mutex>
#include <tesseract/baseapi.h>
#include <leptonica/allheaders.h>
#include <QDebug>
using namespace std;
class OcrObject : public QObject
{
Q_OBJECT
public:
static OcrObject* getInstance();
void getTxtContent(const QString &path, QString &textcontent);
protected:
explicit OcrObject(QObject *parent = nullptr);
~OcrObject();
private:
static OcrObject *m_instance;
tesseract::TessBaseAPI *m_api = nullptr;
void init();
class Garbo
{
public:
~Garbo() {
if (OcrObject::m_instance)
delete OcrObject::m_instance;
}
static Garbo g_garbo;
};
};
#endif // OCROBJECT_H

4
ukui-search-service/monitor.cpp
View File

@ -133,8 +133,8 @@ void Monitor::processUpdate(IndexType type, uint all, uint finished)
case IndexType::OCR:
m_ocrIndexSize = all;
Q_EMIT ocrIndexSizeChanged(m_ocrIndexSize);
m_contentIndexProgress = finished;
Q_EMIT ocrIndexProgressChanged(m_contentIndexProgress);
m_ocrIndexProgress = finished;
Q_EMIT ocrIndexProgressChanged(m_ocrIndexProgress);
m_ocrContentIndexDocNum = m_ocrContentDatabase.getIndexDocCount();
Q_EMIT ocrContentIndexDocNumChanged(m_ocrContentDatabase.getIndexDocCount());
break;