khanat-code-old/code/ryzom/tools/xml_packer/xml_packer.cpp
2010-06-12 12:17:29 +02:00

366 lines
8.4 KiB
C++

#include "nel/misc/types_nl.h"
#include "nel/misc/app_context.h"
#include "nel/misc/path.h"
#include "nel/misc/sstring.h"
#include "nel/misc/algo.h"
using namespace std;
using namespace NLMISC;
enum TAction
{
pack,
unpack,
undefined
};
const string DefaultExt("xml_pack");
const uint32 MaxLineSize = 16*1024;
const string ExcludeFiles(".#*;*.log;*.bin");
const string ExcludeDirs("CVS");
bool isExcludedFile(const std::string &fileName)
{
static vector<string> excludeFileVect;
static bool init = false;
if (!init)
{
explode(ExcludeFiles, ";", excludeFileVect, true);
init = true;
}
bool excluded = false;
for (uint i=0; i<excludeFileVect.size(); ++i)
{
if (testWildCard(fileName, excludeFileVect[i]))
{
excluded = true;
break;
}
}
return excluded;
}
bool isExcludedDir(const std::string &dirName)
{
static vector<string> excludeDirVect;
static bool init = false;
if (!init)
{
explode(ExcludeDirs, ";", excludeDirVect, true);
}
bool excluded = false;
for (uint i=0; i<excludeDirVect.size(); ++i)
{
if (testWildCard(dirName, excludeDirVect[i]))
{
excluded = true;
break;
}
}
return excluded;
}
string getLastDirName(const std::string &path)
{
string dirName;
string::size_type pos = path.size()-1;
// skip any terminal directory separator
if (pos > 0 && (path[pos] == '\\' || path[pos] == '/'))
--pos;
while(pos > 0 && path[pos] != '\\' && path[pos] != '/' )
dirName = path[pos--] + dirName;
return dirName;
}
int main(int argc, char *argv[])
{
printf("XML Packer/Unpacker V0.1\n(C) Nevrax 2006\n");
CApplicationContext appContext;
TAction action = undefined;
bool recursive = false;
// compute the current folder name
string currentPath = CPath::getCurrentPath();
string dirName = getLastDirName(currentPath);;
string filename = dirName + "."+DefaultExt;
// check the params to choose action
for (uint i=0; i<uint(argc); ++i)
{
if (strcmp(argv[i], "-p") == 0)
{
// pack the current folder
action = pack;
printf("Packing files\n");
}
else if (strcmp(argv[i], "-u") == 0)
{
// unpack the current folder
action = unpack;
printf("Unpacking files\n");
}
else if (strcmp(argv[i], "-r") == 0)
{
// unpack the current folder
recursive = true;
printf("Recursive mode\n");
}
// else if (strcmp(argv[i], "-f") == 0)
// {
// if (uint(argc) < i+i)
// {
// printf("Error : missing file name after -f\n");
// return -1;
// }
// // use the specified file archive instead of the directory name
// filename = argv[++i];
// }
}
if (action == undefined)
{
printf("Usage : %s -u|-p [-r] [-f <filename>]\n", argv[0]);
printf(" -p : pack the current folder\n");
printf(" -u : unpack the current folder\n");
printf(" -r : pack or unpack subdirectories recursively\n");
// printf(" -f <filename> : use the specified filename instead of current directory name\n");
return -1;
}
vector<string> dirStack;
printf("Current patch is '%s'\n", CPath::getCurrentPath().c_str());
// push the current directory to start the loop
dirStack.push_back(CPath::getCurrentPath());
while(!dirStack.empty())
{
string dirName = dirStack.back();
dirStack.pop_back();
string filename = dirName+"/"+getLastDirName(dirName) + "."+DefaultExt;
switch (action)
{
case pack:
{
printf("Packing directory '%s'...\n", dirName.c_str());
// string packFileName = dirName+"/tmp."+DefaultExt;
string packFileName = filename;
// get the current directory content
vector<string> files;
CPath::getPathContent(dirName, false, false, true, files);
vector<string> validFiles;
// first loop to build the list of valid file
for (uint i=0; i<files.size(); ++i)
{
if (files[i].find(DefaultExt) != string::npos)
continue;
string &subFileName = files[i];
// check exclude filter
if (isExcludedFile(subFileName))
{
continue;
}
// ok, this file is valid
validFiles.push_back(subFileName);
}
bool needRepack = true;
// if an xml pack already exist in the folder...
if (CFile::fileExists(packFileName))
{
uint32 packDate = CFile::getFileModificationDate(packFileName);
// loop to check for file time stamp
for (uint i=0; i<validFiles.size(); ++i)
{
uint32 fileDate = CFile::getFileModificationDate(validFiles[i]);
if (fileDate >= packDate)
// no more to check
break;
}
// all files are older than the pack file ! no repack needed
needRepack = false;
}
if (needRepack)
{
// open the pack file
// FILE *fp = fopen(filename.c_str(), "wt");
FILE *fp = fopen(packFileName.c_str(), "wt");
fprintf(fp, "<packed_xml>\n");
for (uint i=0; i<validFiles.size(); ++i)
{
string &subFileName = validFiles[i];
printf("Adding file '%s'...\n", CFile::getFilename(subFileName).c_str());
fprintf(fp, " <xml_file name=\"%s\">\n", CFile::getFilename(subFileName).c_str());
FILE *subFp = fopen(subFileName.c_str(), "rt");
nlassert(subFp != NULL);
char buffer[MaxLineSize];
char *result;
bool needFinalReturn = false;
result = fgets(buffer, MaxLineSize, subFp);
needFinalReturn = result != NULL ? buffer[strlen(buffer)-1] != '\n' : true;
while(result != 0)
{
fputs(buffer, fp);
result = fgets(buffer, MaxLineSize, subFp);
needFinalReturn = result != NULL ? buffer[strlen(buffer)-1] != '\n' : needFinalReturn;
}
if (needFinalReturn)
{
char *finalReturn = "\n";
fputs(finalReturn, fp);
}
fclose(subFp);
fprintf(fp, " </nel:xml_file>\n");
}
fprintf(fp, "</nel:packed_xml>\n");
fclose(fp);
}
else
{
printf("Directory %s is up to date, no repack\n", dirName.c_str());
}
}
break;
case unpack:
{
printf("Unpacking directory '%s'...\n", dirName.c_str());
// open the pack file
// FILE *fp = fopen((dirName+"/tmp."+DefaultExt).c_str(), "rt");
FILE *fp = fopen(filename.c_str(), "rt");
nlassert(fp != NULL);
uint linecount = 0;
// read the first line
char buffer[MaxLineSize];
fgets(buffer, MaxLineSize, fp);
linecount++;
if (strcmp(buffer, "<nel:packed_xml>\n") != 0)
{
printf ("Error : invalid pack file '%s'\n", filename.c_str());
exit(-1);
}
char *result = NULL;
do
{
// read a file line
fgets(buffer, MaxLineSize, fp);
CSString parser(buffer);
linecount++;
if (parser.find(" <nel:xml_file name=") != 0)
{
if (parser.find("</nel:packed_xml>") == 0)
{
// end of pack file
fclose(fp);
break;
}
printf ("Error : invalid pack file '%s' at line %u", filename.c_str(), linecount);
exit(-1);
}
CSString subFileName = parser.leftCrop(sizeof(" <nel:xml_file name=")-1);
subFileName = subFileName.matchDelimiters(false, false, true, false);
subFileName = subFileName.unquoteIfQuoted();
subFileName = dirName+"/"+subFileName;
printf("Extracting file '%s'...\n", CFile::getFilename(subFileName).c_str());
// open the output file
FILE *output = fopen (subFileName.c_str(), "wt");
if (output == NULL)
{
printf ("Error : can not open output file '%s' from pack file '%s'", subFileName.c_str(), filename.c_str());
exit(-1);
}
result = fgets(buffer, MaxLineSize, fp);
linecount++;
while (result != NULL && strcmp(buffer, " </nel:xml_file>\n") != 0)
{
fputs(result, output);
// read next line
result = fgets(buffer, MaxLineSize, fp);
linecount++;
}
fclose(output);
} while(result != NULL);
}
// break;
}
if (recursive)
{
vector<string> subDirs;
CPath::getPathContent(dirName, false, true, false, subDirs);
// filter the directories
for (uint i=subDirs.size(); i>0; --i)
{
if (!isExcludedDir(subDirs[i-1]))
dirStack.push_back(subDirs[i-1]);
}
}
}
return 0;
}