RetroZilla/rdf/chrome/tools/chromereg/regchrome.cpp

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2015-10-21 05:03:22 +02:00
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Christopher Blizzard. Portions created by Christopher Blizzard are Copyright (C) Christopher Blizzard. All Rights Reserved.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsIServiceManager.h"
#include "nsCOMPtr.h"
#include "nsIChromeRegistry.h"
#include "rdf.h"
#include "nsIRDFResource.h"
#include "nsIRDFService.h"
#include "nsIRDFContainer.h"
#include "nsIFile.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsNetUtil.h"
#include "nsString.h"
#include "plgetopt.h"
#include <stdlib.h> // for exit()
static const char uri_prefix[] = "http://www.mozilla.org/rdf/chrome#";
static const char urn_prefix[] = "urn:mozilla:";
// this is nasty - this is in nsChromeRegistry.h, but to include that,
// we double our REQUIRES dependencies. We need the CID rather than
// the ContractID because we need to guarantee that we're getting the
// RDF-based chrome registry in order to build up chrome.rdf
// {D8C7D8A2-E84C-11d2-BF87-00105A1B0627}
#define NS_CHROMEREGISTRY_CID \
{ 0xd8c7d8a2, 0xe84c, 0x11d2, { 0xbf, 0x87, 0x0, 0x10, 0x5a, 0x1b, 0x6, 0x27 } }
static NS_DEFINE_CID(kChromeRegistryCID, NS_CHROMEREGISTRY_CID);
nsresult
WritePropertiesTo(nsIRDFDataSource*, const char* aProviderType, FILE* out);
nsresult
WriteAttributes(nsIRDFDataSource*, const char* aProviderType, const char* aProvider,
nsIRDFResource* aResource,
FILE* out);
void
TranslateResourceValue(const char* aProviderType,
const char* aProvider,
const char* aArc,
const char* aResourceValue,
nsACString& aResult);
nsresult WriteProperties(const char* properties_file);
void print_help();
int main(int argc, char **argv)
{
const char* properties_filename = nsnull;
PLOptState* optstate = PL_CreateOptState(argc, argv, "p:");
while (PL_GetNextOpt(optstate) == PL_OPT_OK) {
switch (optstate->option) {
case 'p': // output properties file
properties_filename = optstate->value;
break;
case '?':
print_help();
exit(1);
break;
}
}
PL_DestroyOptState(optstate);
NS_InitXPCOM2(nsnull, nsnull, nsnull);
nsCOMPtr <nsIChromeRegistry> chromeReg =
do_GetService(kChromeRegistryCID);
if (!chromeReg) {
NS_WARNING("chrome check couldn't get the chrome registry");
return NS_ERROR_FAILURE;
}
chromeReg->CheckForNewChrome();
// ok, now load the rdf that just got written
if (properties_filename)
WriteProperties(properties_filename);
// release the chrome registry before we shutdown XPCOM
chromeReg = 0;
NS_ShutdownXPCOM(nsnull);
return 0;
}
nsresult
WritePropertiesTo(nsIRDFDataSource* aDataSource,
const char* aProviderType, FILE* out)
{
// attempt to mimic nsXMLRDFDataSource::Flush?
nsCOMPtr<nsIRDFService> rdfService =
do_GetService("@mozilla.org/rdf/rdf-service;1");
nsCOMPtr<nsIRDFResource> providerRoot;
nsCAutoString urn(NS_LITERAL_CSTRING(urn_prefix) +
nsDependentCString(aProviderType) + NS_LITERAL_CSTRING(":root"));
rdfService->GetResource(urn,
getter_AddRefs(providerRoot));
nsCOMPtr<nsIRDFContainer> providerContainer =
do_CreateInstance("@mozilla.org/rdf/container;1");
providerContainer->Init(aDataSource, providerRoot);
nsCOMPtr<nsISimpleEnumerator> providers;
providerContainer->GetElements(getter_AddRefs(providers));
PRBool hasMore;
providers->HasMoreElements(&hasMore);
for (; hasMore; providers->HasMoreElements(&hasMore)) {
nsCOMPtr<nsISupports> supports;
providers->GetNext(getter_AddRefs(supports));
nsCOMPtr<nsIRDFResource> kid = do_QueryInterface(supports);
const char* providerUrn;
kid->GetValueConst(&providerUrn);
// remove the prefix, the provider type, and the trailing ':'
// (the compiler will optimize out the -1 + 1
providerUrn += (sizeof(urn_prefix)-1) + strlen(aProviderType) + 1;
WriteAttributes(aDataSource, aProviderType, providerUrn, kid, out);
}
return NS_OK;
}
nsresult
WriteAttributes(nsIRDFDataSource* aDataSource,
const char* aProviderType,
const char* aProvider,
nsIRDFResource* aResource, FILE* out)
{
nsresult rv;
nsCOMPtr<nsISimpleEnumerator> arcs;
rv = aDataSource->ArcLabelsOut(aResource, getter_AddRefs(arcs));
if (NS_FAILED(rv))
return rv;
PRBool hasMore;
rv = arcs->HasMoreElements(&hasMore);
if (NS_FAILED(rv))
return rv;
for (; hasMore; arcs->HasMoreElements(&hasMore)) {
nsCOMPtr<nsISupports> supports;
arcs->GetNext(getter_AddRefs(supports));
nsCOMPtr<nsIRDFResource> arc = do_QueryInterface(supports);
const char* arcValue;
arc->GetValueConst(&arcValue);
arcValue += (sizeof(uri_prefix)-1); // skip past prefix
// get the literal value on the other end
nsCOMPtr<nsIRDFNode> valueNode;
aDataSource->GetTarget(aResource, arc, PR_TRUE,
getter_AddRefs(valueNode));
nsCOMPtr<nsIRDFLiteral> literal = do_QueryInterface(valueNode);
if (literal) {
const PRUnichar* literalValue;
literal->GetValueConst(&literalValue);
fprintf(out, "%s.%s.%s=%s\n", aProviderType, aProvider, arcValue, NS_ConvertUCS2toUTF8(literalValue).get());
}
nsCOMPtr<nsIRDFResource> resource = do_QueryInterface(valueNode);
if (resource) {
const char* resourceValue;
resource->GetValueConst(&resourceValue);
nsCAutoString translatedValue;
TranslateResourceValue(aProviderType, aProvider,
arcValue, resourceValue, translatedValue);
fprintf(out, "%s.%s.%s=%s\n", aProviderType, aProvider, arcValue, translatedValue.get());
}
}
return NS_OK;
}
nsresult WriteProperties(const char* properties_file)
{
FILE* props;
printf("writing to %s\n", properties_file);
if (!(props = fopen(properties_file, "w"))) {
printf("Could not write to %s\n", properties_file);
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIFile> chromeFile;
nsresult rv = NS_GetSpecialDirectory(NS_APP_CHROME_DIR, getter_AddRefs(chromeFile));
if(NS_FAILED(rv)) {
fclose(props);
return rv;
}
chromeFile->AppendNative(NS_LITERAL_CSTRING("chrome.rdf"));
nsCAutoString pathURL;
NS_GetURLSpecFromFile(chromeFile, pathURL);
nsCOMPtr<nsIRDFService> rdf =
do_GetService("@mozilla.org/rdf/rdf-service;1");
nsCOMPtr<nsIRDFDataSource> chromeDS;
rdf->GetDataSource(pathURL.get(), getter_AddRefs(chromeDS));
WritePropertiesTo(chromeDS, "package", props);
WritePropertiesTo(chromeDS, "skin", props);
WritePropertiesTo(chromeDS, "locale", props);
fclose(props);
return NS_OK;
}
void print_help() {
printf("Usage: regchrome [-p file.properties]\n"
"Registers chrome by scanning installed-chrome.txt\n"
"\n"
"Options: \n"
" -p file.properties Output a flat-file version of the registry to\n"
" the specified file\n");
}
void
TranslateResourceValue(const char* aProviderType,
const char* aProvider,
const char* aArc,
const char* aResourceValue,
nsACString& aResult)
{
PRUint32 chopStart=0, chopEnd=0; // bytes to chop off the front/back of aResourceValue
static const char localeUrn[] = "urn:mozilla:locale:";
if ((strcmp(aArc, "selectedLocale") == 0) &&
(strncmp(aResourceValue, localeUrn, sizeof(localeUrn)-1) == 0)) {
chopStart = sizeof(localeUrn) - 1;
chopEnd = strlen(aProvider) + 1;
}
static const char skinUrn[] = "urn:mozilla:skin:";
if ((strcmp(aArc, "selectedSkin") == 0) &&
(strncmp(aResourceValue, skinUrn, sizeof(skinUrn)-1) == 0)) {
chopStart = sizeof(skinUrn) - 1;
chopEnd = strlen(aProvider) + 1;
}
// strip off 'urn:mozilla:<foo>:' and ':<provider>'
aResult = (aResourceValue + chopStart);
aResult.Truncate(aResult.Length() - chopEnd);
}