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Updated templateengine base code to 1.6.5

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This commit is contained in:
Luis Ángel San Martín 2016-06-17 19:56:55 +02:00
parent 5ae7e9fd3f
commit 3675aebdc5
7 changed files with 142 additions and 67 deletions
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131
YACReaderLibrary/server/lib/templateengine/template.cpp
View File

@ -7,131 +7,174 @@
#include <QFileInfo>
Template::Template(QString source, QString sourceName)
: QString(source) {
: QString(source)
{
this->sourceName=sourceName;
this->warnings=false;
}
Template::Template(QFile& file, QTextCodec* textCodec) {
Template::Template(QFile& file, QTextCodec* textCodec)
{
this->warnings=false;
sourceName=QFileInfo(file.fileName()).baseName();
if (!file.isOpen()) {
if (!file.isOpen())
{
file.open(QFile::ReadOnly | QFile::Text);
}
QByteArray data=file.readAll();
file.close();
if (data.size()==0 || file.error()) {
if (data.size()==0 || file.error())
{
qCritical("Template: cannot read from %s, %s",qPrintable(sourceName),qPrintable(file.errorString()));
}
else
{
append(textCodec->toUnicode(data));
}
}
int Template::setVariable(QString name, QString value) {
int Template::setVariable(QString name, QString value)
{
int count=0;
QString variable="{"+name+"}";
int start=indexOf(variable);
while (start>=0) {
while (start>=0)
{
replace(start, variable.length(), value);
count++;
start=indexOf(variable,start+value.length());
}
if (count==0 && warnings) {
if (count==0 && warnings)
{
qWarning("Template: missing variable %s in %s",qPrintable(variable),qPrintable(sourceName));
}
return count;
}
int Template::setCondition(QString name, bool value) {
int Template::setCondition(QString name, bool value)
{
int count=0;
QString startTag=QString("{if %1}").arg(name);
QString elseTag=QString("{else %1}").arg(name);
QString endTag=QString("{end %1}").arg(name);
// search for if-else-end
int start=indexOf(startTag);
while (start>=0) {
while (start>=0)
{
int end=indexOf(endTag,start+startTag.length());
if (end>=0) {
if (end>=0)
{
count++;
int ellse=indexOf(elseTag,start+startTag.length());
if (ellse>start && ellse<end) { // there is an else part
if (value==true) {
if (ellse>start && ellse<end)
{
// there is an else part
if (value==true)
{
QString truePart=mid(start+startTag.length(), ellse-start-startTag.length());
replace(start, end-start+endTag.length(), truePart);
}
else { // value==false
else
{
// value==false
QString falsePart=mid(ellse+elseTag.length(), end-ellse-elseTag.length());
replace(start, end-start+endTag.length(), falsePart);
}
}
else if (value==true) { // and no else part
else if (value==true)
{
// and no else part
QString truePart=mid(start+startTag.length(), end-start-startTag.length());
replace(start, end-start+endTag.length(), truePart);
}
else { // value==false and no else part
else
{
// value==false and no else part
replace(start, end-start+endTag.length(), "");
}
start=indexOf(startTag,start);
}
else {
else
{
qWarning("Template: missing condition end %s in %s",qPrintable(endTag),qPrintable(sourceName));
}
}
// search for ifnot-else-end
QString startTag2="{ifnot "+name+"}";
start=indexOf(startTag2);
while (start>=0) {
while (start>=0)
{
int end=indexOf(endTag,start+startTag2.length());
if (end>=0) {
if (end>=0)
{
count++;
int ellse=indexOf(elseTag,start+startTag2.length());
if (ellse>start && ellse<end) { // there is an else part
if (value==false) {
if (ellse>start && ellse<end)
{
// there is an else part
if (value==false)
{
QString falsePart=mid(start+startTag2.length(), ellse-start-startTag2.length());
replace(start, end-start+endTag.length(), falsePart);
}
else { // value==true
else
{
// value==true
QString truePart=mid(ellse+elseTag.length(), end-ellse-elseTag.length());
replace(start, end-start+endTag.length(), truePart);
}
}
else if (value==false) { // and no else part
else if (value==false)
{
// and no else part
QString falsePart=mid(start+startTag2.length(), end-start-startTag2.length());
replace(start, end-start+endTag.length(), falsePart);
}
else { // value==true and no else part
else
{
// value==true and no else part
replace(start, end-start+endTag.length(), "");
}
start=indexOf(startTag2,start);
}
else {
else
{
qWarning("Template: missing condition end %s in %s",qPrintable(endTag),qPrintable(sourceName));
}
}
if (count==0 && warnings) {
if (count==0 && warnings)
{
qWarning("Template: missing condition %s or %s in %s",qPrintable(startTag),qPrintable(startTag2),qPrintable(sourceName));
}
return count;
}
int Template::loop(QString name, int repetitions) {
//Q_ASSERT(repetitions>=0);
int Template::loop(QString name, int repetitions)
{
Q_ASSERT(repetitions>=0);
int count=0;
QString startTag="{loop "+name+"}";
QString elseTag="{else "+name+"}";
QString endTag="{end "+name+"}";
// search for loop-else-end
int start=indexOf(startTag);
while (start>=0) {
while (start>=0)
{
int end=indexOf(endTag,start+startTag.length());
if (end>=0) {
if (end>=0)
{
count++;
int ellse=indexOf(elseTag,start+startTag.length());
if (ellse>start && ellse<end) { // there is an else part
if (repetitions>0) {
if (ellse>start && ellse<end)
{
// there is an else part
if (repetitions>0)
{
QString loopPart=mid(start+startTag.length(), ellse-start-startTag.length());
QString insertMe;
for (int i=0; i<repetitions; ++i) {
for (int i=0; i<repetitions; ++i)
{
// number variables, conditions and sub-loop within the loop
QString nameNum=name+QString::number(i);
QString s=loopPart;
@ -145,15 +188,20 @@ int Template::loop(QString name, int repetitions) {
}
replace(start, end-start+endTag.length(), insertMe);
}
else { // repetitions==0
else
{
// repetitions==0
QString elsePart=mid(ellse+elseTag.length(), end-ellse-elseTag.length());
replace(start, end-start+endTag.length(), elsePart);
}
}
else if (repetitions>0) { // and no else part
else if (repetitions>0)
{
// and no else part
QString loopPart=mid(start+startTag.length(), end-start-startTag.length());
QString insertMe;
for (int i=0; i<repetitions; ++i) {
for (int i=0; i<repetitions; ++i)
{
// number variables, conditions and sub-loop within the loop
QString nameNum=name+QString::number(i);
QString s=loopPart;
@ -167,22 +215,27 @@ int Template::loop(QString name, int repetitions) {
}
replace(start, end-start+endTag.length(), insertMe);
}
else { // repetitions==0 and no else part
else
{
// repetitions==0 and no else part
replace(start, end-start+endTag.length(), "");
}
start=indexOf(startTag,start);
}
else {
else
{
qWarning("Template: missing loop end %s in %s",qPrintable(endTag),qPrintable(sourceName));
}
}
if (count==0 && warnings) {
if (count==0 && warnings)
{
qWarning("Template: missing loop %s in %s",qPrintable(startTag),qPrintable(sourceName));
}
return count;
}
void Template::enableWarnings(bool enable) {
void Template::enableWarnings(bool enable)
{
warnings=enable;
}

5
YACReaderLibrary/server/lib/templateengine/template.h
View File

@ -12,6 +12,7 @@
#include <QTextCodec>
#include <QFile>
#include <QString>
#include "templateglobal.h"
/**
Enhanced version of QString for template processing. Templates
@ -37,7 +38,7 @@
Example code to fill this template:
<p><code><pre>
Template t(QFile("test.tpl"),QTextCode::codecForName("UTF-8"));
t.setVariable("user", "Stefan");
t.setVariable("username", "Stefan");
t.setCondition("locked",false);
t.loop("user",2);
t.setVariable("user0.name,"Markus");
@ -86,7 +87,7 @@
@see TemplateCache
*/
class Template : public QString {
class DECLSPEC Template : public QString {
public:
/**

6
YACReaderLibrary/server/lib/templateengine/templatecache.cpp
View File

@ -11,12 +11,14 @@ TemplateCache::TemplateCache(QSettings* settings, QObject* parent)
qDebug("TemplateCache: timeout=%i, size=%i",cacheTimeout,cache.maxCost());
}
QString TemplateCache::tryFile(QString localizedName) {
QString TemplateCache::tryFile(QString localizedName)
{
qint64 now=QDateTime::currentMSecsSinceEpoch();
// search in cache
qDebug("TemplateCache: trying cached %s",qPrintable(localizedName));
CacheEntry* entry=cache.object(localizedName);
if (entry && (cacheTimeout==0 || entry->created>now-cacheTimeout)) {
if (entry && (cacheTimeout==0 || entry->created>now-cacheTimeout))
{
return entry->document;
}
// search on filesystem

9
YACReaderLibrary/server/lib/templateengine/templatecache.h
View File

@ -1,8 +1,9 @@
#ifndef TEMPLATECACHE_H
#define TEMPLATECACHE_H
#include "templateloader.h"
#include <QCache>
#include "templateglobal.h"
#include "templateloader.h"
/**
Caching template loader, reduces the amount of I/O and improves performance
@ -25,7 +26,7 @@
<p>
The following settings are required:
<code><pre>
path=.
path=../templates
suffix=.tpl
encoding=UTF-8
cacheSize=1000000
@ -38,9 +39,9 @@
@see TemplateLoader
*/
class TemplateCache : public TemplateLoader {
class DECLSPEC TemplateCache : public TemplateLoader {
Q_OBJECT
Q_DISABLE_COPY(TemplateCache);
Q_DISABLE_COPY(TemplateCache)
public:
/**

10
YACReaderLibrary/server/lib/templateengine/templateengine.pri
View File

@ -1,7 +1,11 @@
INCLUDEPATH += $$PWD
DEPENDPATH += $$PWD
HEADERS += $$PWD/template.h $$PWD/templateloader.h $$PWD/templatecache.h
SOURCES += $$PWD/template.cpp $$PWD/templateloader.cpp $$PWD/templatecache.cpp
HEADERS += $$PWD/templateglobal.h
HEADERS += $$PWD/template.h
HEADERS += $$PWD/templateloader.h
HEADERS += $$PWD/templatecache.h
OTHER_FILES += $$PWD/../doc/readme.txt
SOURCES += $$PWD/template.cpp
SOURCES += $$PWD/templateloader.cpp
SOURCES += $$PWD/templatecache.cpp

39
YACReaderLibrary/server/lib/templateengine/templateloader.cpp
View File

@ -32,18 +32,22 @@ TemplateLoader::TemplateLoader(QSettings* settings, QObject* parent)
}
fileNameSuffix=settings->value("suffix",".tpl").toString();
QString encoding=settings->value("encoding").toString();
if (encoding.isEmpty()) {
if (encoding.isEmpty())
{
textCodec=QTextCodec::codecForLocale();
}
else {
else
{
textCodec=QTextCodec::codecForName(encoding.toLocal8Bit());
}
qDebug("TemplateLoader: path=%s, codec=%s",qPrintable(templatePath),textCodec->name().data());
}
TemplateLoader::~TemplateLoader() {}
TemplateLoader::~TemplateLoader()
{}
QString TemplateLoader::tryFile(QString localizedName) {
QString TemplateLoader::tryFile(QString localizedName)
{
QString fileName=templatePath+"/"+localizedName+fileNameSuffix;
qDebug("TemplateCache: trying file %s",qPrintable(fileName));
QFile file(fileName);
@ -51,28 +55,33 @@ QString TemplateLoader::tryFile(QString localizedName) {
file.open(QIODevice::ReadOnly);
QString document=textCodec->toUnicode(file.readAll());
file.close();
if (file.error()) {
if (file.error())
{
qCritical("TemplateLoader: cannot load file %s, %s",qPrintable(fileName),qPrintable(file.errorString()));
return "";
}
else {
else
{
return document;
}
}
return "";
}
Template TemplateLoader::getTemplate(QString templateName, QString locales) {
Template TemplateLoader::getTemplate(QString templateName, QString locales)
{
mutex.lock();
QSet<QString> tried; // used to suppress duplicate attempts
QStringList locs=locales.split(',',QString::SkipEmptyParts);
// Search for exact match
foreach (QString loc,locs) {
foreach (QString loc,locs)
{
loc.replace(QRegExp(";.*"),"");
loc.replace('-','_');
QString localizedName=templateName+"-"+loc.trimmed();
if (!tried.contains(localizedName)) {
if (!tried.contains(localizedName))
{
QString document=tryFile(localizedName);
if (!document.isEmpty()) {
mutex.unlock();
@ -83,12 +92,15 @@ Template TemplateLoader::getTemplate(QString templateName, QString locales) {
}
// Search for correct language but any country
foreach (QString loc,locs) {
foreach (QString loc,locs)
{
loc.replace(QRegExp("[;_-].*"),"");
QString localizedName=templateName+"-"+loc.trimmed();
if (!tried.contains(localizedName)) {
if (!tried.contains(localizedName))
{
QString document=tryFile(localizedName);
if (!document.isEmpty()) {
if (!document.isEmpty())
{
mutex.unlock();
return Template(document,localizedName);
}
@ -98,7 +110,8 @@ Template TemplateLoader::getTemplate(QString templateName, QString locales) {
// Search for default file
QString document=tryFile(templateName);
if (!document.isEmpty()) {
if (!document.isEmpty())
{
mutex.unlock();
return Template(document,templateName);
}

9
YACReaderLibrary/server/lib/templateengine/templateloader.h
View File

@ -9,8 +9,9 @@
#include <QString>
#include <QSettings>
#include <QTextCodec>
#include "template.h"
#include <QMutex>
#include "templateglobal.h"
#include "template.h"
/**
Loads localized versions of template files. If the caller requests a file with the
@ -25,7 +26,7 @@
The following settings are required:
<code><pre>
path=.
path=../templates
suffix=.tpl
encoding=UTF-8
</pre></code>
@ -34,9 +35,9 @@
@see TemplateCache
*/
class TemplateLoader : public QObject {
class DECLSPEC TemplateLoader : public QObject {
Q_OBJECT
Q_DISABLE_COPY(TemplateLoader);
Q_DISABLE_COPY(TemplateLoader)
public:
/**