static OPCRelationship *addImageRelationship(WordConverter *converter, const char *src, DFError **error)
{
const char *mediaDir = DFAppendPathComponent(converter->concretePath,"word/media");
if (!DFFileExists(mediaDir) && !DFCreateDirectory(mediaDir,1,error))
return NULL;
char *ext = DFPathExtension(src);
char *filename = genImageFilename(mediaDir,ext,error);
free(ext);
if (filename == NULL)
return NULL;
char *abstractPathSlash = DFFormatString("%s/",converter->abstractPath);
char *unescapedSrc = DFRemovePercentEncoding(src);
char *srcPath = DFPathResolveAbsolute(abstractPathSlash,unescapedSrc);
char *destPath = DFAppendPathComponent(mediaDir,filename);
OPCRelationship *result = NULL;
if (DFCopyFile(srcPath,destPath,error)) {
OPCRelationshipSet *rels = converter->package->documentPart->relationships;
char *relPath = DFFormatString("/word/media/%s",filename);
result = OPCRelationshipSetAddType(rels,WORDREL_IMAGE,relPath,0);
free(relPath);
}
free(filename);
free(abstractPathSlash);
free(unescapedSrc);
free(srcPath);
free(destPath);
return result;
}
static int getImageFile(WordConverter *converter, const char *src, PixelSize *size)
{
size->widthPx = 0;
size->heightPx = 0;
char *unescapedSrc = DFRemovePercentEncoding(src);
char *abstractPathSlash = DFFormatString("%s/",converter->abstractPath);
char *newSrcPath = DFPathResolveAbsolute(abstractPathSlash,unescapedSrc);
int ok = DFPlatformGetImageDimensions(newSrcPath,&size->widthPx,&size->heightPx);
free(abstractPathSlash);
free(unescapedSrc);
free(newSrcPath);
return ok;
}
static void parseDocumentRels(const char *documentPath, DFDocument *relsDoc, DFHashTable *rels, DFError **error)
{
if (relsDoc == NULL)
return;;
const char *basePrefix = (documentPath[0] == '/') ? "" : "/";
char *basePath = DFFormatString("%s%s",basePrefix,documentPath);
for (DFNode *child = relsDoc->root->first; child != NULL; child = child->next) {
if (child->tag != REL_RELATIONSHIP)
continue;
const char *type = DFGetAttribute(child,NULL_Type);
const char *target = DFGetAttribute(child,NULL_TARGET);
if ((type == NULL) || (target == NULL))
continue;
char *absTarget = DFPathResolveAbsolute(basePath,target);
DFHashTableAdd(rels,type,absTarget);
free(absTarget);
}
free(basePath);
}