static bool find_include_file(astring &srcincpath, int srcrootlen, const astring &srcfile, const astring &filename)
{
// iterate over include paths and find the file
for (include_path *curpath = incpaths; curpath != NULL; curpath = curpath->next)
{
// a '.' include path is specially treated
if (curpath->path == ".")
srcincpath.cpysubstr(srcfile, 0, srcfile.rchr(0, PATH_SEPARATOR[0]));
else
srcincpath.cpy(curpath->path);
// append the filename piecemeal to account for directories
int lastsepindex = 0;
int sepindex;
while ((sepindex = filename.chr(lastsepindex, '/')) != -1)
{
astring pathpart(filename, lastsepindex, sepindex - lastsepindex);
// handle .. by removing a chunk from the incpath
if (pathpart == "..")
{
int sepindex_part = srcincpath.rchr(0, PATH_SEPARATOR[0]);
if (sepindex_part != -1)
srcincpath.substr(0, sepindex_part);
}
// otherwise, append a path separator and the pathpart
else
srcincpath.cat(PATH_SEPARATOR).cat(pathpart);
// advance past the previous index
lastsepindex = sepindex + 1;
}
// now append the filename
srcincpath.cat(PATH_SEPARATOR).catsubstr(filename, lastsepindex, -1);
// see if we can open it
core_file *testfile;
if (core_fopen(srcincpath, OPEN_FLAG_READ, &testfile) == FILERR_NONE)
{
// close the file
core_fclose(testfile);
return true;
}
}
return false;
}
static bool find_include_file(astring &srcincpath, int srcrootlen, int dstrootlen, astring &srcfile, astring &dstfile, astring &filename)
{
// iterate over include paths and find the file
for (include_path *curpath = incpaths; curpath != NULL; curpath = curpath->next)
{
// a '.' include path is specially treated
if (curpath->path == ".")
srcincpath.cpysubstr(srcfile, 0, srcfile.rchr(0, PATH_SEPARATOR[0]));
else
srcincpath.cpysubstr(srcfile, 0, srcrootlen + 1).cat(curpath->path);
// append the filename piecemeal to account for directories
int lastsepindex = 0;
int sepindex;
while ((sepindex = filename.chr(lastsepindex, '/')) != -1)
{
// handle .. by removing a chunk from the incpath
astring pathpart(filename, lastsepindex, sepindex - lastsepindex);
if (pathpart == "..")
{
sepindex = srcincpath.rchr(0, PATH_SEPARATOR[0]);
if (sepindex != -1)
srcincpath.substr(0, sepindex);
}
// otherwise, append a path separator and the pathpart
else
srcincpath.cat(PATH_SEPARATOR).cat(pathpart);
// advance past the previous index
lastsepindex = sepindex + 1;
}
// now append the filename
srcincpath.cat(PATH_SEPARATOR).catsubstr(filename, lastsepindex, -1);
// see if we can open it
core_file *testfile;
if (core_fopen(srcincpath, OPEN_FLAG_READ, &testfile) == FILERR_NONE)
{
// close the file
core_fclose(testfile);
// find the longest matching directory substring between the include and source file
lastsepindex = 0;
while ((sepindex = srcincpath.chr(lastsepindex, PATH_SEPARATOR[0])) != -1)
{
// get substrings up to the current directory
astring tempfile(srcfile, 0, sepindex);
astring tempinc(srcincpath, 0, sepindex);
// if we don't match, stop
if (tempfile != tempinc)
break;
lastsepindex = sepindex + 1;
}
// chop off the common parts of the paths
astring tempfile(srcfile, lastsepindex, -1);
srcincpath.substr(lastsepindex, -1).replacechr(PATH_SEPARATOR[0], '/');
// for each directory left in the filename, we need to prepend a "../"
while ((sepindex = tempfile.chr(0, PATH_SEPARATOR[0])) != -1)
{
tempfile.substr(sepindex + 1, -1);
srcincpath.ins(0, "../");
}
srcincpath.cat(".html");
// free the strings and return the include path
return true;
}
}
return false;
}