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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mimecth.h"
#include "mimeobj.h"
#include "mimetext.h"
#include "mimemoz2.h"
#include "mimecom.h"
#include "nsStringGlue.h"
#include "nsComponentManagerUtils.h"
#include "nsICategoryManager.h"
#include "nsCOMPtr.h"
#include "nsAutoPtr.h"
#include "nsISimpleMimeConverter.h"
#include "nsServiceManagerUtils.h"
#include "nsSimpleMimeConverterStub.h"
typedef struct MimeSimpleStub MimeSimpleStub;
typedef struct MimeSimpleStubClass MimeSimpleStubClass;
struct MimeSimpleStubClass {
MimeInlineTextClass text;
};
struct MimeSimpleStub {
MimeInlineText text;
nsCString *buffer;
nsCOMPtr<nsISimpleMimeConverter> innerScriptable;
};
#define MimeSimpleStubClassInitializer(ITYPE,CSUPER) \
{ MimeInlineTextClassInitializer(ITYPE,CSUPER) }
MimeDefClass(MimeSimpleStub, MimeSimpleStubClass, mimeSimpleStubClass, NULL);
static int
BeginGather(MimeObject *obj)
{
MimeSimpleStub *ssobj = (MimeSimpleStub *)obj;
int status = ((MimeObjectClass *)XPCOM_GetmimeLeafClass())->parse_begin(obj);
if (status < 0)
return status;
if (!obj->output_p ||
!obj->options ||
!obj->options->write_html_p) {
return 0;
}
ssobj->buffer->Truncate();
return 0;
}
static int
GatherLine(const char *line, int32_t length, MimeObject *obj)
{
MimeSimpleStub *ssobj = (MimeSimpleStub *)obj;
if (!obj->output_p ||
!obj->options ||
!obj->options->output_fn) {
return 0;
}
if (!obj->options->write_html_p)
return MimeObject_write(obj, line, length, true);
ssobj->buffer->Append(line);
return 0;
}
static int
EndGather(MimeObject *obj, bool abort_p)
{
MimeSimpleStub *ssobj = (MimeSimpleStub *)obj;
if (obj->closed_p)
return 0;
int status = ((MimeObjectClass *)MIME_GetmimeInlineTextClass())->parse_eof(obj, abort_p);
if (status < 0)
return status;
if (ssobj->buffer->IsEmpty())
return 0;
mime_stream_data *msd = (mime_stream_data *) (obj->options->stream_closure);
nsIChannel *channel = msd->channel; // note the lack of ref counting...
if (channel)
{
nsCOMPtr<nsIURI> uri;
channel->GetURI(getter_AddRefs(uri));
ssobj->innerScriptable->SetUri(uri);
}
nsCString asHTML;
nsresult rv = ssobj->innerScriptable->ConvertToHTML(nsDependentCString(obj->content_type),
*ssobj->buffer,
asHTML);
if (NS_FAILED(rv)) {
NS_ASSERTION(NS_SUCCEEDED(rv), "converter failure");
return -1;
}
// MimeObject_write wants a non-const string for some reason, but it doesn't mutate it
status = MimeObject_write(obj, asHTML.get(),
asHTML.Length(), true);
if (status < 0)
return status;
return 0;
}
static int
Initialize(MimeObject *obj)
{
MimeSimpleStub *ssobj = (MimeSimpleStub *)obj;
nsresult rv;
nsCOMPtr<nsICategoryManager> catman =
do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv);
if (NS_FAILED(rv))
return -1;
nsAutoCString contentType; // lowercase
ToLowerCase(nsDependentCString(obj->content_type), contentType);
nsCString value;
rv = catman->GetCategoryEntry(NS_SIMPLEMIMECONVERTERS_CATEGORY,
contentType.get(), getter_Copies(value));
if (NS_FAILED(rv) || value.IsEmpty())
return -1;
ssobj->innerScriptable = do_CreateInstance(value.get(), &rv);
if (NS_FAILED(rv) || !ssobj->innerScriptable)
return -1;
ssobj->buffer = new nsCString();
((MimeObjectClass *)XPCOM_GetmimeLeafClass())->initialize(obj);
return 0;
}
static void
Finalize(MimeObject *obj)
{
MimeSimpleStub *ssobj = (MimeSimpleStub *)obj;
ssobj->innerScriptable = nullptr;
delete ssobj->buffer;
}
static int
MimeSimpleStubClassInitialize(MimeSimpleStubClass *clazz)
{
MimeObjectClass *oclass = (MimeObjectClass *)clazz;
oclass->parse_begin = BeginGather;
oclass->parse_line = GatherLine;
oclass->parse_eof = EndGather;
oclass->initialize = Initialize;
oclass->finalize = Finalize;
return 0;
}
class nsSimpleMimeConverterStub : public nsIMimeContentTypeHandler
{
public:
nsSimpleMimeConverterStub(const char *aContentType) : mContentType(aContentType) { }
NS_DECL_ISUPPORTS
NS_IMETHOD GetContentType(char **contentType) override
{
*contentType = ToNewCString(mContentType);
return *contentType ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
}
NS_IMETHOD CreateContentTypeHandlerClass(const char *contentType,
contentTypeHandlerInitStruct *initString,
MimeObjectClass **objClass) override;
private:
virtual ~nsSimpleMimeConverterStub() { }
nsCString mContentType;
};
NS_IMPL_ISUPPORTS(nsSimpleMimeConverterStub, nsIMimeContentTypeHandler)
NS_IMETHODIMP
nsSimpleMimeConverterStub::CreateContentTypeHandlerClass(const char *contentType,
contentTypeHandlerInitStruct *initStruct,
MimeObjectClass **objClass)
{
NS_ENSURE_ARG_POINTER(objClass);
*objClass = (MimeObjectClass *)&mimeSimpleStubClass;
(*objClass)->superclass = (MimeObjectClass *)XPCOM_GetmimeInlineTextClass();
NS_ENSURE_TRUE((*objClass)->superclass, NS_ERROR_UNEXPECTED);
initStruct->force_inline_display = true;
return NS_OK;;
}
nsresult
MIME_NewSimpleMimeConverterStub(const char *aContentType,
nsIMimeContentTypeHandler **aResult)
{
RefPtr<nsSimpleMimeConverterStub> inst = new nsSimpleMimeConverterStub(aContentType);
NS_ENSURE_TRUE(inst, NS_ERROR_OUT_OF_MEMORY);
return CallQueryInterface(inst.get(), aResult);
}
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