gitktrans-i18n.c

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#define GITK_LIB_C
#define GITK_TRANS_I18N_C

#include "gitkincludes.h"


#define giml_ctrl_text N_("Okay");
#undef giml_ctrl_text
#define giml_ctrl_text N_("Cancel");
#undef giml_ctrl_text
#define giml_ctrl_text N_("Apply");
#undef giml_ctrl_text
#define giml_ctrl_text N_("Help");
#undef giml_ctrl_text


static void gitk_dialog_trans_i18n_walker(xmlNodePtr cur) {
  xmlNodePtr i18n,parent,next;
  xmlChar *pre_i18n,*post_i18n,*str,*domain;

  while(cur!=NULL) {
    next=cur->next;
    if(xmlNodeIsText(cur)) {
      //-- get i18n (parent of this)
      i18n=cur->parent;
      //-- read contents, if it is child of i18n
      if(!strncmp(i18n->name,"text",4) && i18n->ns && !strncmp(i18n->ns->href,I18N_NS_URL,strlen(I18N_NS_URL))) {
        //-- get parent of i18n
        parent=i18n->parent;
        if((pre_i18n=xmlNodeGetContent(cur))) {
          //gitk_log1("from '%s'",pre_i18n);
          if((domain=xmlGetProp(i18n,"domain"))) {
            //gitk_log1("  domain=\"%s\"",domain);
            str=dgettext(domain,pre_i18n);
            xmlFree(domain);
          }
          else {
            str=dgettext(client_package_name,pre_i18n);
            //gitk_log3("  domain=\"%s\" \"%s\"->\"%s\"",client_package_name,pre_i18n,str);
          }
          //if(str==pre_i18n) str=dgettext(renderer_package_name,pre_i18n);
          //if(str==pre_i18n) str=dgettext(PACKAGE,pre_i18n);
          post_i18n=strdup(str);
          //gitk_log1("to '%s'",post_i18n);
          free(pre_i18n);
          xmlUnlinkNode(cur);xmlFreeNode(cur);
          xmlUnlinkNode(i18n);xmlFreeNode(i18n);
          if(post_i18n) {
            xmlNodePtr new_node,new_snode;
            if((new_snode=xmlNewText(post_i18n))) {
              if(!(new_node=xmlAddChild(parent,new_snode))) { gitk_log("add failed"); }
            }
            else { gitk_log("create failed"); }
            free(post_i18n);
          }
          cur=NULL;
        }
      }
    }
    //else { gitk_log1("cur->name '%s'",cur->name); }
    //-- recurse into node childen
    if(cur) {
      if(cur->children!=NULL) gitk_dialog_trans_i18n_walker(cur->children);
      cur=next;
    }
  }
}


xmlDocPtr gitk_dialog_trans_i18n(xmlDocPtr const src) {
  xmlDocPtr res=NULL;
  
  g_assert(src);
  //gitk_log1("before running i18n via '%s'",client_package_name);
  //gitk_dialog_trans_i18n_walker(xmlDocGetRootElement(src));
  //return(src);
  
  if(!(res=xsltApplyStylesheet(xsl_i18n,src,NULL))) {
    gitk_err("failed to apply stylesheet (i18n.xsl)");
  }
  // DEBUG
  //gitk_dialog_trans_i18n_walker(xmlDocGetRootElement(res));
  // DEBUG
  return(res);
}


void *xsltExtInit_i18n(xsltTransformContextPtr ctxt, const xmlChar *URI) {
  gitk_log_intro();
  //gitk_log1(">>>>>>>>>> URI=\"%s\"",URI);
  if(xsltRegisterExtFunction(ctxt,"gettext",URI,xmlXPathEvalFunc_i18n_gettext)) {
    gitk_err("failed to register extension function (i18n)");
  }
  gitk_log_outro();
  return(NULL);
}

void xsltExtShutdown_i18n(xsltTransformContextPtr ctxt, const xmlChar *URI, void *data) {
}

void xmlXPathEvalFunc_i18n_gettext(xmlXPathParserContextPtr ctxt, int nargs) {
  guint i,j,itemct;
  xmlChar *elem;
  xmlChar *pre_i18n,*post_i18n,*str,*domain;
  xmlXPathObjectPtr xpoptr;
  xmlNodeSetPtr items;
  xmlNodePtr i18n,parent,child;
  
  //gitk_log_intro();
  
  //gitk_log1(">>>>>>>>>> nargs=%d",nargs);
  for(i=0;i<nargs;i++) {
    xpoptr=valuePop(ctxt);
    items=(xmlNodeSetPtr)xpoptr->nodesetval;
    itemct=xmlXPathNodeSetGetLength(items);
    //gitk_log1(">>>>>>>>>>>> items=%d",itemct);
    for(j=0;j<itemct;j++) {
      i18n=xmlXPathNodeSetItem(items,j);
      //-- dump node name
      //gitk_log1("%s",i18n->name);
      if(!strncmp(i18n->name,"text",4) && i18n->ns && !strncmp(i18n->ns->href,I18N_NS_URL,strlen(I18N_NS_URL))) {
        //-- get parent of i18n
        parent=i18n->parent;
        child=i18n->children;
        if((pre_i18n=xmlNodeGetContent(child))) {
          //gitk_log1("from '%s'",pre_i18n);
          if((domain=xmlGetProp(i18n,"domain"))) {
            //gitk_log1("  domain=\"%s\"",domain);
            str=dgettext(domain,pre_i18n);
            xmlFree(domain);
          }
          else {
            str=dgettext(client_package_name,pre_i18n);
            //gitk_log3("  domain=\"%s\" \"%s\"->\"%s\"",client_package_name,pre_i18n,str);
          }
          //if(str==pre_i18n) str=dgettext(renderer_package_name,pre_i18n);
          //if(str==pre_i18n) str=dgettext(PACKAGE,pre_i18n);
          post_i18n=strdup(str);
          //gitk_log1("to '%s'",post_i18n);
          free(pre_i18n);
          xmlUnlinkNode(child);xmlFreeNode(child);
          xmlUnlinkNode(i18n);xmlFreeNode(i18n);
          if(post_i18n) {
            xmlNodePtr new_node,new_snode;
            if((new_snode=xmlNewText(post_i18n))) {
              if(!(new_node=xmlAddChild(parent,new_snode))) { gitk_log("add failed"); }
            }
            else { gitk_log("create failed"); }
            free(post_i18n);
          }
        }
      }
    }
    valuePush(ctxt,xpoptr);
  }
  
  //gitk_log_outro();
}

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