Merge

YACReaderLibrary/server/lib/templateengine/templateloader.cpp

@@ -0,0 +1,116 @@
+/**
+  @file
+  @author Stefan Frings
+*/
+
+#include "templateloader.h"
+#include <QFile>
+#include <QFileInfo>
+#include <QStringList>
+#include <QDir>
+#include <QSet>
+
+TemplateLoader::TemplateLoader(QSettings* settings, QObject* parent)
+    : QObject(parent)
+{
+    templatePath=settings->value("path",".").toString();
+    // Convert relative path to absolute, based on the directory of the config file.
+#ifdef Q_OS_WIN32
+    if (QDir::isRelativePath(templatePath) && settings->format()!=QSettings::NativeFormat)
+#else
+    if (QDir::isRelativePath(templatePath))
+#endif
+    {
+        QFileInfo configFile(settings->fileName());
+        templatePath=QFileInfo(configFile.absolutePath(),templatePath).absoluteFilePath();
+    }
+    fileNameSuffix=settings->value("suffix",".tpl").toString();
+    QString encoding=settings->value("encoding").toString();
+    if (encoding.isEmpty())
+    {
+        textCodec=QTextCodec::codecForLocale();
+    }
+    else
+    {
+       textCodec=QTextCodec::codecForName(encoding.toLocal8Bit());
+   }
+   qDebug("TemplateLoader: path=%s, codec=%s",qPrintable(templatePath),textCodec->name().data());
+}
+
+TemplateLoader::~TemplateLoader()
+{}
+
+QString TemplateLoader::tryFile(QString localizedName)
+{
+    QString fileName=templatePath+"/"+localizedName+fileNameSuffix;
+    qDebug("TemplateCache: trying file %s",qPrintable(fileName));
+    QFile file(fileName);
+    if (file.exists()) {
+        file.open(QIODevice::ReadOnly);
+        QString document=textCodec->toUnicode(file.readAll());
+        file.close();
+        if (file.error())
+        {
+            qCritical("TemplateLoader: cannot load file %s, %s",qPrintable(fileName),qPrintable(file.errorString()));
+            return "";
+        }
+        else
+        {
+            return document;
+        }
+    }
+    return "";
+}
+
+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)
+    {
+        loc.replace(QRegExp(";.*"),"");
+        loc.replace('-','_');
+        QString localizedName=templateName+"-"+loc.trimmed();
+        if (!tried.contains(localizedName))
+        {
+            QString document=tryFile(localizedName);
+            if (!document.isEmpty()) {
+                mutex.unlock();
+                return Template(document,localizedName);
+            }
+            tried.insert(localizedName);
+        }
+    }
+
+    // Search for correct language but any country
+    foreach (QString loc,locs)
+    {
+        loc.replace(QRegExp("[;_-].*"),"");
+        QString localizedName=templateName+"-"+loc.trimmed();
+        if (!tried.contains(localizedName))
+        {
+            QString document=tryFile(localizedName);
+            if (!document.isEmpty())
+            {
+                mutex.unlock();
+                return Template(document,localizedName);
+            }
+            tried.insert(localizedName);
+        }
+    }
+
+    // Search for default file
+    QString document=tryFile(templateName);
+    if (!document.isEmpty())
+    {
+        mutex.unlock();
+        return Template(document,templateName);
+    }
+
+    qCritical("TemplateCache: cannot find template %s",qPrintable(templateName));
+    mutex.unlock();
+    return Template("",templateName);
+}