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#include "build_drules.h"
#include "build_common.h"
#include "platform/platform.hpp"
#include "std/exception.hpp"
#include <fstream>
#include <streambuf>
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QStringList>
namespace
{
QString GetScriptPath()
{
QString const resourceDir = GetPlatform().ResourcesDir().c_str();
return resourceDir + "kothic/src/libkomwm.py";
}
QString GetProtobufEggPath()
{
QString const resourceDir = GetPlatform().ResourcesDir().c_str();
return resourceDir + "kothic/protobuf-2.6.1-py2.7.egg";
}
} // namespace
namespace build_style
{
void BuildDrawingRulesImpl(QString const & mapcssFile, QString const & outputDir)
{
QString const outputTemplate = outputDir + "drules_proto";
QString const outputFile = outputTemplate + ".bin";
// Caller ensures that output directory is clear
if (QFile(outputFile).exists())
throw runtime_error("Output directory is not clear");
// Prepare command line
QStringList params;
params << "python" <<
GetScriptPath() <<
"-s" << mapcssFile <<
"-o" << outputTemplate <<
"-x" << "True";
QString const cmd = params.join(' ');
// Add path to the protobuf EGG in the PROTOBUF_EGG_PATH environment variable
QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
env.insert("PROTOBUF_EGG_PATH", GetProtobufEggPath());
// Run the script
auto const res = ExecProcess(cmd, &env);
// Script returs nothing and zero exit code if it is executed succesfully,
if (res.first != 0 || !res.second.isEmpty())
{
QString msg = QString("System error ") + to_string(res.first).c_str();
if (!res.second.isEmpty())
msg = msg + "\n" + res.second;
throw runtime_error(to_string(msg));
}
// Ensure generated files has non-zero size
if (QFile(outputFile).size() == 0)
throw runtime_error("Drawing rules file has zero size");
}
void BuildDrawingRules(QString const & mapcssFile, QString const & outputDir)
{
QString const resourceDir = GetPlatform().ResourcesDir().c_str();
if (!QFile::copy(resourceDir + "mapcss-mapping.csv", outputDir + "mapcss-mapping.csv"))
throw runtime_error("Unable to copy mapcss-mapping.csv file");
if (!QFile::copy(resourceDir + "mapcss-dynamic.txt", outputDir + "mapcss-dynamic.txt"))
throw runtime_error("Unable to copy mapcss-dynamic.txt file");
BuildDrawingRulesImpl(mapcssFile, outputDir);
}
void ApplyDrawingRules(QString const & outputDir)
{
QString const resourceDir = GetPlatform().ResourcesDir().c_str();
if (!CopyFile(outputDir + "drules_proto.bin", resourceDir + "drules_proto.bin"))
throw runtime_error("Cannot copy drawing rules file");
if (!CopyFile(outputDir + "classificator.txt", resourceDir + "classificator.txt"))
throw runtime_error("Cannot copy classificator file");
if (!CopyFile(outputDir + "types.txt", resourceDir + "types.txt"))
throw runtime_error("Cannot copy types file");
if (!CopyFile(outputDir + "patterns.txt", resourceDir + "patterns.txt"))
throw runtime_error("Cannot copy patterns file");
if (!CopyFile(outputDir + "colors.txt", resourceDir + "colors.txt"))
throw runtime_error("Cannot copy colors file");
}
} // namespace build_style
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