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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /intl/unicharutil/nsEntityConverter.cpp | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'intl/unicharutil/nsEntityConverter.cpp')
-rw-r--r-- | intl/unicharutil/nsEntityConverter.cpp | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/intl/unicharutil/nsEntityConverter.cpp b/intl/unicharutil/nsEntityConverter.cpp new file mode 100644 index 000000000..94853df74 --- /dev/null +++ b/intl/unicharutil/nsEntityConverter.cpp @@ -0,0 +1,173 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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 "nsEntityConverter.h" +#include "nsLiteralString.h" +#include "nsString.h" +#include "mozilla/Services.h" +#include "nsServiceManagerUtils.h" +#include "nsCRT.h" + +// +// implementation methods +// +nsEntityConverter::nsEntityConverter() { } + +nsEntityConverter::~nsEntityConverter() { } + +nsIStringBundle* +nsEntityConverter:: GetVersionBundleInstance(uint32_t versionNumber) +{ + switch(versionNumber){ + case nsIEntityConverter::html40Latin1: + if (!mHTML40Latin1Bundle) { + mHTML40Latin1Bundle = LoadEntityBundle(kHTML40LATIN1); + MOZ_ASSERT(mHTML40Latin1Bundle, "LoadEntityBundle failed"); + } + return mHTML40Latin1Bundle; + case nsIEntityConverter::html40Symbols: + if (!mHTML40SymbolsBundle) { + mHTML40SymbolsBundle = LoadEntityBundle(kHTML40SYMBOLS); + MOZ_ASSERT(mHTML40SymbolsBundle, "LoadEntityBundle failed"); + } + return mHTML40SymbolsBundle; + case nsIEntityConverter::html40Special: + if (!mHTML40SpecialBundle) { + mHTML40SpecialBundle = LoadEntityBundle(kHTML40SPECIAL); + MOZ_ASSERT(mHTML40SpecialBundle, "LoadEntityBundle failed"); + } + return mHTML40SpecialBundle; + case nsIEntityConverter::mathml20: + if (!mMathML20Bundle) { + mMathML20Bundle = LoadEntityBundle(kMATHML20); + MOZ_ASSERT(mMathML20Bundle, "LoadEntityBundle failed"); + } + return mMathML20Bundle; + default: + return nullptr; + } +} + +already_AddRefed<nsIStringBundle> +nsEntityConverter:: LoadEntityBundle(const char *fileName) +{ + NS_ENSURE_TRUE(fileName, nullptr); + + nsAutoCString url("resource://gre/res/entityTables/"); + nsresult rv; + + nsCOMPtr<nsIStringBundleService> bundleService = + do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv); + NS_ENSURE_SUCCESS(rv, nullptr); + + url.Append(fileName); + + nsCOMPtr<nsIStringBundle> bundle; + rv = bundleService->CreateBundle(url.get(), getter_AddRefs(bundle)); + NS_ENSURE_SUCCESS(rv, nullptr); + + return bundle.forget(); +} + +// +// nsISupports methods +// +NS_IMPL_ISUPPORTS(nsEntityConverter,nsIEntityConverter) + +// +// nsIEntityConverter +// +NS_IMETHODIMP +nsEntityConverter::ConvertToEntity(char16_t character, uint32_t entityVersion, char **_retval) +{ + return ConvertUTF32ToEntity((uint32_t)character, entityVersion, _retval); +} + +NS_IMETHODIMP +nsEntityConverter::ConvertUTF32ToEntity(uint32_t character, uint32_t entityVersion, char **_retval) +{ + NS_ASSERTION(_retval, "null ptr- _retval"); + if (nullptr == _retval) { + return NS_ERROR_NULL_POINTER; + } + *_retval = nullptr; + + for (uint32_t mask = 1, mask2 = 0xFFFFFFFFL; (0!=(entityVersion & mask2)); mask<<=1, mask2<<=1) { + if (0 == (entityVersion & mask)) { + continue; + } + + nsIStringBundle* entities = GetVersionBundleInstance(entityVersion & mask); + NS_ASSERTION(entities, "Cannot get the entity"); + + if (!entities) { + continue; + } + + nsAutoString key(NS_LITERAL_STRING("entity.")); + key.AppendInt(character,10); + + nsXPIDLString value; + nsresult rv = entities->GetStringFromName(key.get(), getter_Copies(value)); + if (NS_SUCCEEDED(rv)) { + *_retval = ToNewCString(value); + return NS_OK; + } + } + return NS_ERROR_ILLEGAL_VALUE; +} + +NS_IMETHODIMP +nsEntityConverter::ConvertToEntities(const char16_t *inString, uint32_t entityVersion, char16_t **_retval) +{ + NS_ENSURE_ARG_POINTER(inString); + NS_ENSURE_ARG_POINTER(_retval); + + *_retval = nullptr; + + nsString outString; + + // per character look for the entity + uint32_t len = NS_strlen(inString); + for (uint32_t i = 0; i < len; i++) { + nsAutoString key(NS_LITERAL_STRING("entity.")); + if (NS_IS_HIGH_SURROGATE(inString[i]) && i + 2 < len && NS_IS_LOW_SURROGATE(inString[i + 1])) { + key.AppendInt(SURROGATE_TO_UCS4(inString[i], inString[i+1]), 10); + ++i; + } else { + key.AppendInt(inString[i],10); + } + + nsXPIDLString value; + const char16_t *entity = nullptr; + + for (uint32_t mask = 1, mask2 = 0xFFFFFFFFL; (0!=(entityVersion & mask2)); mask<<=1, mask2<<=1) { + if (0 == (entityVersion & mask)) { + continue; + } + nsIStringBundle* entities = GetVersionBundleInstance(entityVersion & mask); + NS_ASSERTION(entities, "Cannot get the property file"); + + if (!entities) { + continue; + } + + nsresult rv = entities->GetStringFromName(key.get(), getter_Copies(value)); + if (NS_SUCCEEDED(rv)) { + entity = value.get(); + break; + } + } + if (entity) { + outString.Append(entity); + } else { + outString.Append(&inString[i], 1); + } + } + + *_retval = ToNewUnicode(outString); + + return NS_OK; +} |