From bf435a79408d89072f5872ab98449949a8a077b0 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Fri, 3 Feb 2012 15:53:55 +0300
Subject: Add own translation system.

---
 src/utils/translation/poparser.cpp | 221 +++++++++++++++++++++++++++++++++++++
 1 file changed, 221 insertions(+)
 create mode 100644 src/utils/translation/poparser.cpp

(limited to 'src/utils/translation/poparser.cpp')

diff --git a/src/utils/translation/poparser.cpp b/src/utils/translation/poparser.cpp
new file mode 100644
index 000000000..24d2ee4d4
--- /dev/null
+++ b/src/utils/translation/poparser.cpp
@@ -0,0 +1,221 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2012  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  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 2 of the License, or
+ *  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 <http://www.gnu.org/licenses/>.
+ */
+
+#include "utils/translation/poparser.h"
+
+#include "resources/resourcemanager.h"
+
+#include "utils/stringutils.h"
+
+#include "localconsts.h"
+#include "logger.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+#include "debug.h"
+
+PoParser::PoParser() :
+    mDict(nullptr),
+    mReadingId(false),
+    mReadingStr(false)
+{
+}
+
+void PoParser::openFile()
+{
+    ResourceManager *resman = ResourceManager::getInstance();
+    int size;
+    char *buf = static_cast<char*>(resman->loadFile(getFileName(mLang), size));
+
+    mFile.str(std::string(buf, size));
+    free(buf);
+}
+
+PoDict *PoParser::load(std::string lang)
+{
+    setLang(lang);
+    mDict = getDict();
+
+    openFile();
+
+    mMsgId = "";
+    mMsgStr = "";
+
+    // cycle by msgid+msgstr
+    while (readLine())
+    {
+        // reading msgid
+        while (readMsgId())
+        {
+            if (!readLine())
+                break;
+        }
+
+        if (!mMsgId.empty())
+        {
+            // if we got msgid then reading msgstr
+            while (readMsgStr())
+            {
+                if (!readLine())
+                    break;
+            }
+        }
+
+        if (!mMsgId.empty() && !mMsgStr.empty())
+        {
+//            logger->log("add key: " + mMsgId);
+//            logger->log("add value: " + mMsgStr);
+
+            // store key and value
+            mDict->set(mMsgId, mMsgStr);
+        }
+
+        mMsgId = "";
+        mMsgStr = "";
+    }
+
+    return mDict;
+}
+
+bool PoParser::readLine()
+{
+    char line[1001];
+    if (!mFile.getline(line, 1000))
+        return false;
+    mLine = line;
+    return true;
+}
+
+bool PoParser::readMsgId()
+{
+    // if we reading msgstr then stop here
+    if (mReadingStr)
+        return false;
+
+    const std::string msgId1 = "msgid \"";
+
+    // check if in reading process
+    if (mReadingId)
+    {
+        // if we get empty line in file then stop reading
+        if (mLine.empty())
+        {
+            mReadingId = false;
+            return false;
+        }
+        else if (checkLine())
+        {
+            // reading text from: "text"
+            mMsgId += mLine.substr(1, mLine.size() - 2);
+            mLine = "";
+            return true;
+        }
+        // stop reading in other case
+        mReadingId = false;
+        return false;
+    }
+    else
+    {
+        // check line start from msgid "
+        if (strStartWith(mLine, msgId1))
+        {
+            mReadingId = true;
+            // reading text from: msgid "text"
+            mMsgId += mLine.substr(msgId1.size(),
+                mLine.size() - 1 - msgId1.size());
+            mLine = "";
+            return true;
+        }
+        // stop reading if we dont read msgid before
+        return mMsgId.empty();
+    }
+}
+
+bool PoParser::readMsgStr()
+{
+    const std::string msgStr1 = "msgstr \"";
+
+    // check if in reading process
+    if (mReadingStr)
+    {
+        // if we get empty line in file then stop reading
+        if (mLine.empty())
+        {
+            mReadingStr = false;
+            return false;
+        }
+        if (checkLine())
+        {
+            // reading text from: "text"
+            mMsgStr += mLine.substr(1, mLine.size() - 2);
+            mLine = "";
+            return true;
+        }
+        // stop reading in other case
+        mReadingStr = false;
+    }
+    else
+    {
+        // check line start from msgstr "
+        if (strStartWith(mLine, msgStr1))
+        {
+            mReadingStr = true;
+            // reading text from: msgid "text"
+            mMsgStr += mLine.substr(msgStr1.size(),
+                mLine.size() - 1 - msgStr1.size());
+            mLine = "";
+            return true;
+        }
+    }
+
+    // stop reading in other case
+    return false;
+}
+
+bool PoParser::checkLine()
+{
+    // check is line in format: "text"
+    return mLine.size() > 2 && mLine[0] == '\"'
+        && mLine[mLine.size() - 1] == '\"';
+}
+
+PoDict *PoParser::getEmptyDict()
+{
+    return new PoDict("");
+}
+
+bool PoParser::checkLang(std::string lang) const
+{
+    // check is po file exists
+    ResourceManager *resman = ResourceManager::getInstance();
+    return resman->exists(getFileName(lang));
+}
+
+std::string PoParser::getFileName(std::string lang) const
+{
+    // get po file name from lang name
+    return strprintf("translations/%s.po", lang.c_str());
+}
+
+PoDict *PoParser::getDict()
+{
+    return new PoDict(mLang);
+}
-- 
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