New level parser

Known issues:
* TerrainLevel for some reason doesn't work
* %lvl% is not yet implemented everywhere because of hardcoded directories in functions

1 files changed, 221 insertions, 0 deletions

diff --git a/src/object/level/parser.cpp b/src/object/level/parser.cpp
new file mode 100644
index 0000000..89059d0
--- /dev/null
+++ b/src/object/level/parser.cpp
@@ -0,0 +1,221 @@
+// * This file is part of the COLOBOT source code
+// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
+// *
+// * 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  http://www.gnu.org/licenses/.
+
+#include "object/level/parser.h"
+
+
+#include "app/app.h"
+
+#include "common/resources/inputstream.h"
+
+#include "object/level/parserexceptions.h"
+
+#include <string>
+#include <exception>
+#include <sstream>
+#include <iomanip>
+
+#include <boost/algorithm/string/trim.hpp>
+#include <boost/algorithm/string/replace.hpp>
+
+CLevelParser::CLevelParser()
+{
+    m_filename = "";
+}
+
+CLevelParser::CLevelParser(std::string filename)
+{
+    m_filename = filename;
+}
+
+CLevelParser::CLevelParser(std::string category, int chapter, int rank)
+{
+    m_filename = BuildSceneName(category, chapter, rank);
+}
+
+CLevelParser::~CLevelParser()
+{
+    for(auto line : m_lines)
+    {
+        delete line;
+    }
+}
+
+std::string CLevelParser::BuildSceneName(std::string category, int chapter, int rank, bool sceneFile)
+{
+    std::ostringstream outstream;
+    if(category == "user")
+    {
+        //TODO: Change this to point user dir according to operating system
+        /*rankStream << std::setfill('0') << std::setw(2) << rank%100;
+        filename = m_userDir + "/" + m_userList[rank/100-1] + "/" + rankStream.str() + ".txt";*/
+        assert(false); //TODO: Userlevel support
+    }
+    else if(category == "perso")
+    {
+        outstream << "levels/other/perso.txt";
+    }
+    else if(category == "win" || category == "lost")
+    {
+        outstream << "levels/other/";
+        outstream << category << std::setfill('0') << std::setw(3) << chapter*100+rank << ".txt";
+    }
+    else
+    {
+        outstream << "levels/" << category << "/";
+        outstream << "chapter" << std::setfill('0') << std::setw(3) << chapter;
+        if(rank == 000)
+        {
+            if(sceneFile)
+            {
+                outstream << "/chaptertitle.txt";
+            }
+        }
+        else
+        {
+            outstream << "/level" << std::setfill('0') << std::setw(3) << rank;
+            if(sceneFile)
+            {
+                outstream << "/scene.txt";
+            }
+        }
+    }
+    return outstream.str();
+}
+
+void CLevelParser::Load()
+{
+    CInputStream file;
+    file.open(m_filename);
+    if(!file.is_open())
+        throw CLevelParserException("Failed to open file: "+m_filename);
+    
+    char lang = CApplication::GetInstancePointer()->GetLanguageChar();
+    
+    std::string line;
+    int lineNumber = 0;
+    std::map<std::string, CLevelParserLine*> translatableLines;
+    while(getline(file,line))
+    {
+        lineNumber++;
+        
+        boost::replace_all(line, "\t", " "); // replace tab by space
+        
+        // ignore comments
+        std::size_t comment = line.find("//");
+        if(comment != std::string::npos)
+            line = line.substr(0, comment);
+        
+        boost::algorithm::trim(line);
+        
+        std::size_t pos = line.find_first_of(" \t\n");
+        std::string command = line.substr(0, pos);
+        if(pos != std::string::npos) {
+            line = line.substr(pos+1);
+            boost::algorithm::trim(line);
+        } else {
+            line = "";
+        }
+        if(command.empty()) continue;
+        
+        CLevelParserLine* parserLine = new CLevelParserLine(lineNumber, command);
+        
+        std::string baseCommand = command;
+        if(command[command.length()-2] == '.') {
+            baseCommand = command.substr(0, command.length()-2);
+            if(command[command.length()-1] == 'E' && translatableLines[baseCommand] == nullptr) {
+                parserLine->SetCommand(baseCommand);
+                translatableLines[baseCommand] = parserLine;
+            } else if(command[command.length()-1] == lang) {
+                if(translatableLines[baseCommand] != nullptr) {
+                    m_lines.erase(std::remove(m_lines.begin(), m_lines.end(), translatableLines[baseCommand]), m_lines.end());
+                    delete translatableLines[baseCommand];
+                }
+                parserLine->SetCommand(baseCommand);
+                translatableLines[baseCommand] = parserLine;
+            } else {
+                delete parserLine;
+                continue;
+            }
+        }
+        
+        while(!line.empty()) {
+            pos = line.find_first_of("=");
+            std::string paramName = line.substr(0, pos);
+            boost::algorithm::trim(paramName);
+            line = line.substr(pos+1);
+            boost::algorithm::trim(line);
+            
+            if(line[0] == '\"') {
+                pos = line.find_first_of("\"", 1);
+                if(pos == std::string::npos)
+                    throw CLevelParserException("Unclosed \" in "+m_filename+":"+std::to_string(lineNumber));
+            } else if(line[0] == '\'') {
+                pos = line.find_first_of("'", 1);
+                if(pos == std::string::npos)
+                    throw CLevelParserException("Unclosed ' in "+m_filename+":"+std::to_string(lineNumber));
+            } else {
+                pos = line.find_first_of("=");
+                if(pos != std::string::npos) {
+                    std::size_t pos2 = line.find_last_of(" \t\n", line.find_last_not_of(" \t\n", pos-1));
+                    if(pos2 != std::string::npos)
+                        pos = pos2;
+                } else {
+                    pos = line.length()-1;
+                }
+            }
+            std::string paramValue = line.substr(0, pos+1);
+            boost::algorithm::trim(paramValue);
+            
+            parserLine->AddParam(paramName, new CLevelParserParam(paramName, paramValue));
+            
+            if(pos == std::string::npos)
+                break;
+            line = line.substr(pos+1);
+            boost::algorithm::trim(line);
+        }
+        
+        AddLine(parserLine);
+    }
+    
+    file.close();
+}
+
+void CLevelParser::Save(std::string filename)
+{
+    assert(false); //TODO
+}
+
+const std::string& CLevelParser::GetFilename()
+{
+    return m_filename;
+}
+
+std::vector<CLevelParserLine*> CLevelParser::GetLines()
+{
+    return m_lines;
+}
+
+void CLevelParser::AddLine(CLevelParserLine* line)
+{
+    line->SetLevel(this);
+    m_lines.push_back(line);
+}
+
+CLevelParserLine* CLevelParser::Get(std::string command)
+{
+    assert(false); //TODO
+}
\ No newline at end of file