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Bug 1214616 - Remove encoding conversion methods from nsPrimitiveHelpers. r=emk.

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This commit is contained in:
Henri Sivonen 2015-10-20 12:06:27 +03:00
parent 1c3d5def4b
commit 895172871e
2 changed files with 0 additions and 125 deletions
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111
widget/nsPrimitiveHelpers.cpp
View File

@ -29,17 +29,6 @@
#include "nsLinebreakConverter.h"
#include "nsReadableUtils.h"
#include "nsIServiceManager.h"
// unicode conversion
#include "nsIPlatformCharset.h"
#include "nsIUnicodeDecoder.h"
#include "nsISaveAsCharset.h"
#include "nsAutoPtr.h"
#include "mozilla/Likely.h"
#include "mozilla/dom/EncodingUtils.h"
using mozilla::dom::EncodingUtils;
//
// CreatePrimitiveForData
@ -127,106 +116,6 @@ nsPrimitiveHelpers :: CreateDataFromPrimitive ( const char* aFlavor, nsISupports
}
//
// ConvertUnicodeToPlatformPlainText
//
// Given a unicode buffer (flavor text/unicode), this converts it to plain text using
// the appropriate platform charset encoding. |inUnicodeLen| is the length of the input
// string, not the # of bytes in the buffer. The |outPlainTextData| is null terminated,
// but its length parameter, |outPlainTextLen|, does not reflect that.
//
nsresult
nsPrimitiveHelpers :: ConvertUnicodeToPlatformPlainText ( char16_t* inUnicode, int32_t inUnicodeLen,
char** outPlainTextData, int32_t* outPlainTextLen )
{
if ( !outPlainTextData || !outPlainTextLen )
return NS_ERROR_INVALID_ARG;
// get the charset
nsresult rv;
nsCOMPtr <nsIPlatformCharset> platformCharsetService = do_GetService(NS_PLATFORMCHARSET_CONTRACTID, &rv);
nsAutoCString platformCharset;
if (NS_SUCCEEDED(rv))
rv = platformCharsetService->GetCharset(kPlatformCharsetSel_PlainTextInClipboard, platformCharset);
if (NS_FAILED(rv))
platformCharset.AssignLiteral("ISO-8859-1");
// use transliterate to convert things like smart quotes to normal quotes for plain text
nsCOMPtr<nsISaveAsCharset> converter = do_CreateInstance("@mozilla.org/intl/saveascharset;1", &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = converter->Init(platformCharset.get(),
nsISaveAsCharset::attr_EntityAfterCharsetConv +
nsISaveAsCharset::attr_FallbackQuestionMark,
0);
NS_ENSURE_SUCCESS(rv, rv);
rv = converter->Convert(inUnicode, outPlainTextData);
*outPlainTextLen = *outPlainTextData ? strlen(*outPlainTextData) : 0;
NS_ASSERTION ( NS_SUCCEEDED(rv), "Error converting unicode to plain text" );
return rv;
} // ConvertUnicodeToPlatformPlainText
//
// ConvertPlatformPlainTextToUnicode
//
// Given a char buffer (flavor text/plaikn), this converts it to unicode using
// the appropriate platform charset encoding. |outUnicode| is null terminated,
// but its length parameter, |outUnicodeLen|, does not reflect that. |outUnicodeLen| is
// the length of the string in characters, not bytes.
//
nsresult
nsPrimitiveHelpers :: ConvertPlatformPlainTextToUnicode ( const char* inText, int32_t inTextLen,
char16_t** outUnicode, int32_t* outUnicodeLen )
{
if ( !outUnicode || !outUnicodeLen )
return NS_ERROR_INVALID_ARG;
// Get the appropriate unicode decoder. We're guaranteed that this won't change
// through the life of the app so we can cache it.
nsresult rv = NS_OK;
static nsCOMPtr<nsIUnicodeDecoder> decoder;
static bool hasConverter = false;
if ( !hasConverter ) {
// get the charset
nsAutoCString platformCharset;
nsCOMPtr <nsIPlatformCharset> platformCharsetService = do_GetService(NS_PLATFORMCHARSET_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv))
rv = platformCharsetService->GetCharset(kPlatformCharsetSel_PlainTextInClipboard, platformCharset);
if (NS_FAILED(rv))
platformCharset.AssignLiteral("windows-1252");
decoder = EncodingUtils::DecoderForEncoding(platformCharset);
hasConverter = true;
}
// Estimate out length and allocate the buffer based on a worst-case estimate, then do
// the conversion.
rv = decoder->GetMaxLength(inText, inTextLen, outUnicodeLen); // |outUnicodeLen| is number of chars
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if ( *outUnicodeLen ) {
*outUnicode = reinterpret_cast<char16_t*>(moz_xmalloc((*outUnicodeLen + 1) * sizeof(char16_t)));
if ( *outUnicode ) {
rv = decoder->Convert(inText, &inTextLen, *outUnicode, outUnicodeLen);
(*outUnicode)[*outUnicodeLen] = '\0'; // null terminate. Convert() doesn't do it for us
}
} // if valid length
NS_ASSERTION ( NS_SUCCEEDED(rv), "Error converting plain text to unicode" );
return rv;
} // ConvertPlatformPlainTextToUnicode
//
// ConvertPlatformToDOMLinebreaks
//

14
widget/nsPrimitiveHelpers.h
View File

@ -29,20 +29,6 @@ public:
static void CreateDataFromPrimitive ( const char* aFlavor, nsISupports* aPrimitive,
void** aDataBuff, uint32_t aDataLen ) ;
// Given a unicode buffer (flavor text/unicode), this converts it to plain text using
// the appropriate platform charset encoding. |inUnicodeLen| is the length of the input
// string, not the # of bytes in the buffer. |outPlainTextData| is null terminated,
// but its length parameter, |outPlainTextLen|, does not reflect that.
static nsresult ConvertUnicodeToPlatformPlainText ( char16_t* inUnicode, int32_t inUnicodeLen,
char** outPlainTextData, int32_t* outPlainTextLen ) ;
// Given a char buffer (flavor text/plaikn), this converts it to unicode using
// the appropriate platform charset encoding. |outUnicode| is null terminated,
// but its length parameter, |outUnicodeLen|, does not reflect that. |outUnicodeLen| is
// the length of the string in characters, not bytes.
static nsresult ConvertPlatformPlainTextToUnicode ( const char* inText, int32_t inTextLen,
char16_t** outUnicode, int32_t* outUnicodeLen ) ;
}; // class nsPrimitiveHelpers