X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Ftext%2Fmarkup-processor.cpp;h=344cde15b5757073d124ea6b0434f752d6fcbc97;hp=1671075647937fd01a62b2d891a064731a1d64a0;hb=HEAD;hpb=6877b751dc17e58428b7ae6ea35bbef6c030453c diff --git a/dali-toolkit/internal/text/markup-processor.cpp b/dali-toolkit/internal/text/markup-processor.cpp deleted file mode 100644 index 1671075..0000000 --- a/dali-toolkit/internal/text/markup-processor.cpp +++ /dev/null @@ -1,1130 +0,0 @@ -/* - * Copyright (c) 2022 Samsung Electronics Co., Ltd. - * - * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - */ - -// FILE HEADER -#include - -// EXTERNAL INCLUDES -#include -#include // for ULONG_MAX -#include - -// INTERNAL INCLUDES -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -namespace Dali -{ -namespace Toolkit -{ -namespace Text -{ -namespace -{ -// HTML-ISH tag and attribute constants. -// Note they must be lower case in order to make the comparison to work -// as the parser converts all the read tags to lower case. -const std::string XHTML_COLOR_TAG("color"); -const std::string XHTML_FONT_TAG("font"); -const std::string XHTML_B_TAG("b"); -const std::string XHTML_I_TAG("i"); -const std::string XHTML_U_TAG("u"); -const std::string XHTML_SHADOW_TAG("shadow"); -const std::string XHTML_GLOW_TAG("glow"); -const std::string XHTML_OUTLINE_TAG("outline"); -const std::string XHTML_ITEM_TAG("item"); -const std::string XHTML_ANCHOR_TAG("a"); -const std::string XHTML_BACKGROUND_TAG("background"); -const std::string XHTML_SPAN_TAG("span"); -const std::string XHTML_STRIKETHROUGH_TAG("s"); -const std::string XHTML_PARAGRAPH_TAG("p"); - -const char LESS_THAN = '<'; -const char GREATER_THAN = '>'; -const char EQUAL = '='; -const char QUOTATION_MARK = '\''; -const char SLASH = '/'; -const char BACK_SLASH = '\\'; -const char AMPERSAND = '&'; -const char HASH = '#'; -const char SEMI_COLON = ';'; -const char CHAR_ARRAY_END = '\0'; -const char HEX_CODE = 'x'; - -const char WHITE_SPACE = 0x20; // ASCII value of the white space. -const char NEW_LINE = 0x0A; // ASCII value of the newline. - -// Range 1 0x0u < XHTML_DECIMAL_ENTITY_RANGE <= 0xD7FFu -// Range 2 0xE000u < XHTML_DECIMAL_ENTITY_RANGE <= 0xFFFDu -// Range 3 0x10000u < XHTML_DECIMAL_ENTITY_RANGE <= 0x10FFFFu -const unsigned long XHTML_DECIMAL_ENTITY_RANGE[] = {0x0u, 0xD7FFu, 0xE000u, 0xFFFDu, 0x10000u, 0x10FFFFu}; - -const unsigned int MAX_NUM_OF_ATTRIBUTES = 11u; ///< The span tag has the 'font-family', 'font-size' 'font-weight', 'font-width', 'font-slant','text-color', 'u-color', 'u-height','u-type','u-dash-gap'and 'u-dash-width' attrubutes. -const unsigned int DEFAULT_VECTOR_SIZE = 16u; ///< Default size of run vectors. - -#if defined(DEBUG_ENABLED) -Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_MARKUP_PROCESSOR"); -#endif - -typedef VectorBase::SizeType RunIndex; - -/** - * @brief Struct used to retrieve the style runs from the mark-up string. - */ -template -struct StyleStack -{ - Vector stack; ///< Use a vector as a style stack. - unsigned int topIndex; ///< Points the top of the stack. - - StyleStack() - : stack(), - topIndex(0u) - { - stack.Resize(DEFAULT_VECTOR_SIZE); - } - - void Push(StyleStackType item) - { - // Check if there is space inside the style stack. - const VectorBase::SizeType size = stack.Count(); - if(topIndex >= size) - { - // Resize the style stack. - stack.Resize(2u * size); - } - - // Set the item in the top of the stack. - *(stack.Begin() + topIndex) = item; - - // Reposition the pointer to the top of the stack. - ++topIndex; - } - - StyleStackType Pop() - { - // Pop the top of the stack. - --topIndex; - return *(stack.Begin() + topIndex); - } -}; - -/** - * @brief Struct used to retrieve spans from the mark-up string. - */ -struct Span -{ - RunIndex colorRunIndex; - RunIndex fontRunIndex; - RunIndex underlinedCharacterRunIndex; - RunIndex backgroundColorRunIndex; - bool isColorDefined; - bool isFontDefined; - bool isUnderlinedCharacterDefined; - bool isBackgroundColorDefined; -}; - -/** - * @brief Initializes a font run description to its defaults. - * - * @param[in,out] fontRun The font description run to initialize. - */ -void Initialize(FontDescriptionRun& fontRun) -{ - fontRun.characterRun.characterIndex = 0u; - fontRun.characterRun.numberOfCharacters = 0u; - fontRun.familyName = NULL; - fontRun.familyLength = 0u; - fontRun.weight = TextAbstraction::FontWeight::NORMAL; - fontRun.width = TextAbstraction::FontWidth::NORMAL; - fontRun.slant = TextAbstraction::FontSlant::NORMAL; - fontRun.size = 0u; - fontRun.familyDefined = false; - fontRun.weightDefined = false; - fontRun.widthDefined = false; - fontRun.slantDefined = false; - fontRun.sizeDefined = false; -} - -/** - * @brief Initializes a color run description to its defaults. - * - * @param[in,out] colorRun The font description run to initialize. - */ -void Initialize(ColorRun& colorRun) -{ - colorRun.characterRun.characterIndex = 0u; - colorRun.characterRun.numberOfCharacters = 0u; -} - -/** - * @brief Initializes a underlined character run to its defaults. - * - * @param[in,out] underlinedCharacterRun The underelined character run to initialize. - */ -void Initialize(UnderlinedCharacterRun& underlinedCharacterRun) -{ - underlinedCharacterRun.characterRun.characterIndex = 0u; - underlinedCharacterRun.characterRun.numberOfCharacters = 0u; -} - -/** - * @brief Initializes a span to its defaults. - * - * @param[in,out] span The span to be initialized. - */ -void Initialize(Span& span) -{ - span.colorRunIndex = 0u; - span.isColorDefined = false; - span.fontRunIndex = 0u; - span.isFontDefined = false; - span.underlinedCharacterRunIndex = 0u; - span.isUnderlinedCharacterDefined = false; - span.backgroundColorRunIndex = 0u; - span.isBackgroundColorDefined = false; -} - -/** - * @brief Initializes a strikethrough character run to its defaults. - * - * @param[in,out] strikethroughCharacterRun The strikethrough character run to initialize. - */ -void Initialize(StrikethroughCharacterRun& strikethroughCharacterRun) -{ - strikethroughCharacterRun.characterRun.characterIndex = 0u; - strikethroughCharacterRun.characterRun.numberOfCharacters = 0u; - strikethroughCharacterRun.properties.colorDefined = false; -} - -/** - * @brief Initializes a bounded-paragraph character run to its defaults. - * - * @param[in,out] boundedParagraphRun The bounded paragraphRun run to initialize. - */ -void Initialize(BoundedParagraphRun& boundedParagraphRun) -{ - boundedParagraphRun.characterRun.characterIndex = 0u; - boundedParagraphRun.characterRun.numberOfCharacters = 0u; -} - -/** - * @brief Splits the tag string into the tag name and its attributes. - * - * The attributes are stored in a vector in the tag. - * - * @param[in,out] tag The tag. - */ -void ParseAttributes(Tag& tag) -{ - if(tag.buffer == NULL) - { - return; - } - - tag.attributes.Resize(MAX_NUM_OF_ATTRIBUTES); - - // Find first the tag name. - bool isQuotationOpen = false; - - const char* tagBuffer = tag.buffer; - const char* const tagEndBuffer = tagBuffer + tag.length; - tag.length = 0u; - for(; tagBuffer < tagEndBuffer; ++tagBuffer) - { - const char character = *tagBuffer; - if(WHITE_SPACE < character) - { - ++tag.length; - } - else - { - // Stops counting the length of the tag when a white space is found. - // @note a white space is the WHITE_SPACE character and anything below as 'tab', 'return' or 'control characters'. - break; - } - } - SkipWhiteSpace(tagBuffer, tagEndBuffer); - - // Find the attributes. - unsigned int attributeIndex = 0u; - const char* nameBuffer = NULL; - const char* valueBuffer = NULL; - Length nameLength = 0u; - Length valueLength = 0u; - - bool addToNameValue = true; - Length numberOfWhiteSpace = 0u; - for(; tagBuffer < tagEndBuffer; ++tagBuffer) - { - const char character = *tagBuffer; - if((WHITE_SPACE >= character) && !isQuotationOpen) - { - if(NULL != valueBuffer) - { - // Remove white spaces at the end of the value. - valueLength -= numberOfWhiteSpace; - } - - if((NULL != nameBuffer) && (NULL != valueBuffer)) - { - // Every time a white space is found, a new attribute is created and stored in the attributes vector. - Attribute& attribute = *(tag.attributes.Begin() + attributeIndex); - ++attributeIndex; - - attribute.nameBuffer = nameBuffer; - attribute.valueBuffer = valueBuffer; - attribute.nameLength = nameLength; - attribute.valueLength = valueLength; - - nameBuffer = NULL; - valueBuffer = NULL; - nameLength = 0u; - valueLength = 0u; - - addToNameValue = true; // next read characters will be added to the name. - } - } - else if(EQUAL == character) // '=' - { - addToNameValue = false; // next read characters will be added to the value. - SkipWhiteSpace(tagBuffer, tagEndBuffer); - } - else if(QUOTATION_MARK == character) // '\'' - { - // Do not add quotation marks to neither name nor value. - isQuotationOpen = !isQuotationOpen; - - if(isQuotationOpen) - { - ++tagBuffer; - SkipWhiteSpace(tagBuffer, tagEndBuffer); - --tagBuffer; - } - } - else - { - // Adds characters to the name or the value. - if(addToNameValue) - { - if(NULL == nameBuffer) - { - nameBuffer = tagBuffer; - } - ++nameLength; - } - else - { - if(isQuotationOpen) - { - if(WHITE_SPACE >= character) - { - ++numberOfWhiteSpace; - } - else - { - numberOfWhiteSpace = 0u; - } - } - if(NULL == valueBuffer) - { - valueBuffer = tagBuffer; - } - ++valueLength; - } - } - } - - if(NULL != valueBuffer) - { - // Remove white spaces at the end of the value. - valueLength -= numberOfWhiteSpace; - } - - if((NULL != nameBuffer) && (NULL != valueBuffer)) - { - // Checks if the last attribute needs to be added. - Attribute& attribute = *(tag.attributes.Begin() + attributeIndex); - ++attributeIndex; - - attribute.nameBuffer = nameBuffer; - attribute.valueBuffer = valueBuffer; - attribute.nameLength = nameLength; - attribute.valueLength = valueLength; - } - - // Resize the vector of attributes. - tag.attributes.Resize(attributeIndex); -} - -/** - * @brief It parses a tag and its attributes if the given iterator @e it is pointing at a tag beginning. - * - * @param[in,out] markupStringBuffer The mark-up string buffer. It's a const iterator pointing the current character. - * @param[in] markupStringEndBuffer Pointer to one character after the end of the mark-up string buffer. - * @param[out] tag The tag with its attributes. - * - * @return @e true if the iterator @e it is pointing a mark-up tag. Otherwise @e false. - */ -bool IsTag(const char*& markupStringBuffer, - const char* const markupStringEndBuffer, - Tag& tag) -{ - bool isTag = false; - bool isQuotationOpen = false; - bool attributesFound = false; - tag.isEndTag = false; - bool isPreviousLessThan = false; - bool isPreviousSlash = false; - - const char character = *markupStringBuffer; - if(LESS_THAN == character) // '<' - { - tag.buffer = NULL; - tag.length = 0u; - isPreviousLessThan = true; - - // if the iterator is pointing to a '<' character, then check if it's a mark-up tag is needed. - ++markupStringBuffer; - if(markupStringBuffer < markupStringEndBuffer) - { - SkipWhiteSpace(markupStringBuffer, markupStringEndBuffer); - - for(; (!isTag) && (markupStringBuffer < markupStringEndBuffer); ++markupStringBuffer) - { - const char character = *markupStringBuffer; - - if(!isQuotationOpen && (SLASH == character)) // '/' - { - if(isPreviousLessThan) - { - tag.isEndTag = true; - } - else - { - // if the tag has a '/' it may be an end tag. - isPreviousSlash = true; - } - - isPreviousLessThan = false; - if((markupStringBuffer + 1u < markupStringEndBuffer) && (WHITE_SPACE >= *(markupStringBuffer + 1u))) - { - ++markupStringBuffer; - SkipWhiteSpace(markupStringBuffer, markupStringEndBuffer); - --markupStringBuffer; - } - } - else if(GREATER_THAN == character) // '>' - { - isTag = true; - if(isPreviousSlash) - { - tag.isEndTag = true; - } - - isPreviousSlash = false; - isPreviousLessThan = false; - } - else if(QUOTATION_MARK == character) - { - isQuotationOpen = !isQuotationOpen; - ++tag.length; - - isPreviousSlash = false; - isPreviousLessThan = false; - } - else if(WHITE_SPACE >= character) // ' ' - { - // If the tag contains white spaces then it may have attributes. - if(!isQuotationOpen) - { - attributesFound = true; - } - ++tag.length; - } - else - { - if(NULL == tag.buffer) - { - tag.buffer = markupStringBuffer; - } - - // If it's not any of the 'special' characters then just add it to the tag string. - ++tag.length; - - isPreviousSlash = false; - isPreviousLessThan = false; - } - } - } - - // If the tag string has white spaces, then parse the attributes is needed. - if(attributesFound) - { - ParseAttributes(tag); - } - } - - return isTag; -} - -/** - * @brief Returns length of XHTML entity by parsing the text. It also determines if it is XHTML entity or not. - * - * @param[in] markupStringBuffer The mark-up string buffer. It's a const iterator pointing the current character. - * @param[in] markupStringEndBuffer Pointing to end of mark-up string buffer. - * - * @return Length of markupText in case of XHTML entity otherwise return 0. - */ -unsigned int GetXHTMLEntityLength(const char*& markupStringBuffer, - const char* const markupStringEndBuffer) -{ - char character = *markupStringBuffer; - if(AMPERSAND == character) // '&' - { - // if the iterator is pointing to a '&' character, then check for ';' to find end to XHTML entity. - ++markupStringBuffer; - if(markupStringBuffer < markupStringEndBuffer) - { - unsigned int len = 1u; - for(; markupStringBuffer < markupStringEndBuffer; ++markupStringBuffer) - { - character = *markupStringBuffer; - ++len; - if(SEMI_COLON == character) // ';' - { - // found end of XHTML entity - ++markupStringBuffer; - return len; - } - else if((AMPERSAND == character) || (BACK_SLASH == character) || (LESS_THAN == character)) - { - return 0; - } - } - } - } - return 0; -} - -/** - * @brief It parses a XHTML string which has hex/decimal entity and fill its corresponging utf-8 string. - * - * @param[in] markupText The mark-up text buffer. - * @param[out] utf-8 text Corresponding to markup Text - * - * @return true if string is successfully parsed otherwise false - */ -bool XHTMLNumericEntityToUtf8(const char* markupText, char* utf8) -{ - bool result = false; - - if(NULL != markupText) - { - bool isHex = false; - - // check if hex or decimal entity - if((CHAR_ARRAY_END != *markupText) && (HEX_CODE == *markupText)) - { - isHex = true; - ++markupText; - } - - char* end = NULL; - unsigned long l = strtoul(markupText, &end, (isHex ? 16 : 10)); // l contains UTF-32 code in case of correct XHTML entity - - // check for valid XHTML numeric entities (between '#' or "#x" and ';') - if((l > 0) && (l < ULONG_MAX) && (*end == SEMI_COLON)) // in case wrong XHTML entity is set eg. "abcdefs;" in that case *end will be 'a' - { - /* characters XML 1.1 permits */ - if(((XHTML_DECIMAL_ENTITY_RANGE[0] < l) && (l <= XHTML_DECIMAL_ENTITY_RANGE[1])) || - ((XHTML_DECIMAL_ENTITY_RANGE[2] <= l) && (l <= XHTML_DECIMAL_ENTITY_RANGE[3])) || - ((XHTML_DECIMAL_ENTITY_RANGE[4] <= l) && (l <= XHTML_DECIMAL_ENTITY_RANGE[5]))) - { - // Convert UTF32 code to UTF8 - Utf32ToUtf8(reinterpret_cast(&l), 1, reinterpret_cast(utf8)); - result = true; - } - } - } - return result; -} - -/** - * @brief Processes a particular tag for the required run (color-run, font-run or underlined-character-run). - * - * @tparam RunType Whether ColorRun , FontDescriptionRun or UnderlinedCharacterRun - * - * @param[in/out] runsContainer The container containing all the runs - * @param[in/out] styleStack The style stack - * @param[in] tag The tag we are currently processing - * @param[in] characterIndex The current character index - * @param[in/out] runIndex The run index - * @param[in/out] tagReference The tagReference we should increment/decrement - * @param[in] parameterSettingFunction This function will be called to set run specific parameters - */ -template -void ProcessTagForRun( - Vector& runsContainer, - StyleStack& styleStack, - const Tag& tag, - const CharacterIndex characterIndex, - RunIndex& runIndex, - int& tagReference, - std::function parameterSettingFunction) -{ - if(!tag.isEndTag) - { - // Create a new run. - RunType run; - Initialize(run); - - // Fill the run with the parameters. - run.characterRun.characterIndex = characterIndex; - parameterSettingFunction(tag, run); - - // Push the run in the logical model. - runsContainer.PushBack(run); - - // Push the index of the run into the stack. - styleStack.Push(runIndex); - - // Point the next free run. - ++runIndex; - - // Increase reference - ++tagReference; - } - else - { - if(tagReference > 0) - { - // Pop the top of the stack and set the number of characters of the run. - RunType& run = *(runsContainer.Begin() + styleStack.Pop()); - run.characterRun.numberOfCharacters = characterIndex - run.characterRun.characterIndex; - --tagReference; - } - } -} - -/** - * @brief Processes the item tag - * - * @param[in/out] markupProcessData The markup process data - * @param[in] tag The current tag - * @param[in/out] characterIndex The current character index - */ -void ProcessItemTag( - MarkupProcessData& markupProcessData, - const Tag tag, - CharacterIndex& characterIndex) -{ - if(tag.isEndTag) - { - // Create an embedded item instance. - EmbeddedItem item; - item.characterIndex = characterIndex; - ProcessEmbeddedItem(tag, item); - - markupProcessData.items.PushBack(item); - - // Insert white space character that will be replaced by the item. - markupProcessData.markupProcessedText.append(1u, WHITE_SPACE); - ++characterIndex; - } -} - -/** - * @brief Processes the paragraph-tag - * - * @param[in/out] markupProcessData The markup process data - * @param[in] tag The current tag - * @param[in] isEndBuffer Whether the end of buffer - * @param[in/out] characterIndex The current character index - */ -void ProcessParagraphTag( - MarkupProcessData& markupProcessData, - const Tag tag, - bool isEndBuffer, - CharacterIndex& characterIndex) -{ - if((characterIndex > 0 && - markupProcessData.markupProcessedText[characterIndex - 1u] != NEW_LINE) && - (!(tag.isEndTag && isEndBuffer))) - { - // Insert new-line character at the start and end of paragraph. - markupProcessData.markupProcessedText.append(1u, NEW_LINE); - ++characterIndex; - } -} - -/** - * @brief Processes the anchor tag - * - * @param[in/out] markupProcessData The markup process data - * @param[in] tag The current tag - * @param[in/out] characterIndex The current character index - */ -void ProcessAnchorTag( - MarkupProcessData& markupProcessData, - const Tag tag, - CharacterIndex& characterIndex) -{ - if(!tag.isEndTag) - { - // Create an anchor instance. - Anchor anchor; - anchor.startIndex = characterIndex; - anchor.endIndex = 0u; - ProcessAnchor(tag, anchor); - markupProcessData.anchors.PushBack(anchor); - } - else - { - // Update end index. - unsigned int count = markupProcessData.anchors.Count(); - if(count > 0) - { - markupProcessData.anchors[count - 1].endIndex = characterIndex; - } - } -} - -/** - * @brief Processes span tag for the color-run & font-run. - * - * @param[in] spanTag The tag we are currently processing - * @param[in/out] spanStack The spans stack - * @param[int/out] colorRuns The container containing all the color runs - * @param[int/out] fontRuns The container containing all the font description runs - * @param[in/out] colorRunIndex The color run index - * @param[in/out] fontRunIndex The font run index - * @param[in] characterIndex The current character index - * @param[in] tagReference The tagReference we should increment/decrement - */ -void ProcessSpanForRun( - const Tag& spanTag, - StyleStack& spanStack, - Vector& colorRuns, - Vector& fontRuns, - Vector& underlinedCharacterRuns, - Vector& backgroundColorRuns, - RunIndex& colorRunIndex, - RunIndex& fontRunIndex, - RunIndex& underlinedCharacterRunIndex, - RunIndex& backgroundColorRunIndex, - const CharacterIndex characterIndex, - int& tagReference) -{ - if(!spanTag.isEndTag) - { - // Create a new run. - ColorRun colorRun; - Initialize(colorRun); - - FontDescriptionRun fontRun; - Initialize(fontRun); - - UnderlinedCharacterRun underlinedCharacterRun; - Initialize(underlinedCharacterRun); - - ColorRun backgroundColorRun; - Initialize(backgroundColorRun); - - Span span; - Initialize(span); - - // Fill the run with the parameters. - colorRun.characterRun.characterIndex = characterIndex; - fontRun.characterRun.characterIndex = characterIndex; - underlinedCharacterRun.characterRun.characterIndex = characterIndex; - backgroundColorRun.characterRun.characterIndex = characterIndex; - - span.colorRunIndex = colorRunIndex; - span.fontRunIndex = fontRunIndex; - span.underlinedCharacterRunIndex = underlinedCharacterRunIndex; - span.backgroundColorRunIndex = backgroundColorRunIndex; - - ProcessSpanTag(spanTag, colorRun, fontRun, underlinedCharacterRun, backgroundColorRun, span.isColorDefined, span.isFontDefined, span.isUnderlinedCharacterDefined, span.isBackgroundColorDefined); - - // Push the span into the stack. - spanStack.Push(span); - - // Point the next free run. - if(span.isColorDefined) - { - // Push the run in the logical model. - colorRuns.PushBack(colorRun); - ++colorRunIndex; - } - - if(span.isFontDefined) - { - // Push the run in the logical model. - fontRuns.PushBack(fontRun); - ++fontRunIndex; - } - - if(span.isUnderlinedCharacterDefined) - { - // Push the run in the logical model. - underlinedCharacterRuns.PushBack(underlinedCharacterRun); - ++underlinedCharacterRunIndex; - } - - if(span.isBackgroundColorDefined) - { - // Push the run in the logical model. - backgroundColorRuns.PushBack(backgroundColorRun); - ++backgroundColorRunIndex; - } - - // Increase reference - ++tagReference; - } - else - { - if(tagReference > 0) - { - // Pop the top of the stack and set the number of characters of the run. - Span span = spanStack.Pop(); - - if(span.isColorDefined) - { - ColorRun& colorRun = *(colorRuns.Begin() + span.colorRunIndex); - colorRun.characterRun.numberOfCharacters = characterIndex - colorRun.characterRun.characterIndex; - } - - if(span.isFontDefined) - { - FontDescriptionRun& fontRun = *(fontRuns.Begin() + span.fontRunIndex); - fontRun.characterRun.numberOfCharacters = characterIndex - fontRun.characterRun.characterIndex; - } - - if(span.isUnderlinedCharacterDefined) - { - UnderlinedCharacterRun& underlinedCharacterRun = *(underlinedCharacterRuns.Begin() + span.underlinedCharacterRunIndex); - underlinedCharacterRun.characterRun.numberOfCharacters = characterIndex - underlinedCharacterRun.characterRun.characterIndex; - } - - if(span.isBackgroundColorDefined) - { - ColorRun& backgroundColorRun = *(backgroundColorRuns.Begin() + span.backgroundColorRunIndex); - backgroundColorRun.characterRun.numberOfCharacters = characterIndex - backgroundColorRun.characterRun.characterIndex; - } - - --tagReference; - } - } -} - -/** - * @brief Resizes the model's vectors - * - * @param[in/out] markupProcessData The markup process data - * @param[in] fontRunIndex The font run index - * @param[in] colorRunIndex The color run index - * @param[in] underlinedCharacterRunIndex The underlined character run index - * @param[in] backgroundRunIndex The background run index - * @param[in] boundedParagraphRunIndex The bounded paragraph run index - * - */ -void ResizeModelVectors(MarkupProcessData& markupProcessData, - const RunIndex fontRunIndex, - const RunIndex colorRunIndex, - const RunIndex underlinedCharacterRunIndex, - const RunIndex backgroundRunIndex, - const RunIndex boundedParagraphRunIndex) -{ - markupProcessData.fontRuns.Resize(fontRunIndex); - markupProcessData.colorRuns.Resize(colorRunIndex); - markupProcessData.underlinedCharacterRuns.Resize(underlinedCharacterRunIndex); - markupProcessData.backgroundColorRuns.Resize(backgroundRunIndex); - markupProcessData.boundedParagraphRuns.Resize(boundedParagraphRunIndex); - -#ifdef DEBUG_ENABLED - for(unsigned int i = 0; i < colorRunIndex; ++i) - { - ColorRun& run = markupProcessData.colorRuns[i]; - DALI_LOG_INFO(gLogFilter, Debug::Verbose, "run[%d] index: %d, length: %d, color %f,%f,%f,%f\n", i, run.characterRun.characterIndex, run.characterRun.numberOfCharacters, run.color.r, run.color.g, run.color.b, run.color.a); - } -#endif -} - -/** - * @brief Processes the markup string buffer - * - * @param[in/out] markupProcessData The markup process data - * @param[in/out] markupStringBuffer The markup string buffer pointer - * @param[in] markupStringEndBuffer The markup string end buffer pointer - * @param[in/out] characterIndex The current character index - */ -void ProcessMarkupStringBuffer( - MarkupProcessData& markupProcessData, - const char*& markupStringBuffer, - const char* const markupStringEndBuffer, - CharacterIndex& characterIndex) -{ - unsigned char character = *markupStringBuffer; - const char* markupBuffer = markupStringBuffer; - unsigned char count = GetUtf8Length(character); - char utf8[8]; - - if((BACK_SLASH == character) && (markupStringBuffer + 1u < markupStringEndBuffer)) - { - // Adding < , > or & special character. - const unsigned char nextCharacter = *(markupStringBuffer + 1u); - if((LESS_THAN == nextCharacter) || (GREATER_THAN == nextCharacter) || (AMPERSAND == nextCharacter)) - { - character = nextCharacter; - ++markupStringBuffer; - - count = GetUtf8Length(character); - markupBuffer = markupStringBuffer; - } - } - else // checking if contains XHTML entity or not - { - const unsigned int len = GetXHTMLEntityLength(markupStringBuffer, markupStringEndBuffer); - - // Parse markupStringTxt if it contains XHTML Entity between '&' and ';' - if(len > 0) - { - char* entityCode = NULL; - bool result = false; - count = 0; - - // Checking if XHTML Numeric Entity - if(HASH == *(markupBuffer + 1u)) - { - entityCode = &utf8[0]; - // markupBuffer is currently pointing to '&'. By adding 2u to markupBuffer it will point to numeric string by skipping "&#' - result = XHTMLNumericEntityToUtf8((markupBuffer + 2u), entityCode); - } - else // Checking if XHTML Named Entity - { - entityCode = const_cast(NamedEntityToUtf8(markupBuffer, len)); - result = (entityCode != NULL); - } - if(result) - { - markupBuffer = entityCode; //utf8 text assigned to markupBuffer - character = markupBuffer[0]; - } - else - { - DALI_LOG_INFO(gLogFilter, Debug::Verbose, "Not valid XHTML entity : (%.*s) \n", len, markupBuffer); - markupBuffer = NULL; - } - } - else // in case string conatins Start of XHTML Entity('&') but not its end character(';') - { - if(character == AMPERSAND) - { - markupBuffer = NULL; - DALI_LOG_INFO(gLogFilter, Debug::Verbose, "Not Well formed XHTML content \n"); - } - } - } - - if(markupBuffer != NULL) - { - const unsigned char numberOfBytes = GetUtf8Length(character); - markupProcessData.markupProcessedText.push_back(character); - - for(unsigned char i = 1u; i < numberOfBytes; ++i) - { - ++markupBuffer; - markupProcessData.markupProcessedText.push_back(*markupBuffer); - } - - ++characterIndex; - markupStringBuffer += count; - } -} - -} // namespace - -void ProcessMarkupString(const std::string& markupString, MarkupProcessData& markupProcessData) -{ - DALI_LOG_INFO(gLogFilter, Debug::Verbose, "markupString: %s\n", markupString.c_str()); - - // Reserve space for the plain text. - const Length markupStringSize = markupString.size(); - markupProcessData.markupProcessedText.reserve(markupStringSize); - - // Stores a struct with the index to the first character of the run, the type of run and its parameters. - StyleStack styleStack; - - // Stores a struct with the index to the first character of the color run & color font for the span. - StyleStack spanStack; - - // Points the next free position in the vector of runs. - RunIndex colorRunIndex = 0u; - RunIndex fontRunIndex = 0u; - RunIndex underlinedCharacterRunIndex = 0u; - RunIndex backgroundRunIndex = 0u; - RunIndex strikethroughCharacterRunIndex = 0u; - RunIndex boundedParagraphRunIndex = 0u; - - // check tag reference - int colorTagReference = 0u; - int fontTagReference = 0u; - int iTagReference = 0u; - int bTagReference = 0u; - int uTagReference = 0u; - int backgroundTagReference = 0u; - int spanTagReference = 0u; - int sTagReference = 0u; - int pTagReference = 0u; - - // Give an initial default value to the model's vectors. - markupProcessData.colorRuns.Reserve(DEFAULT_VECTOR_SIZE); - markupProcessData.fontRuns.Reserve(DEFAULT_VECTOR_SIZE); - markupProcessData.underlinedCharacterRuns.Reserve(DEFAULT_VECTOR_SIZE); - markupProcessData.backgroundColorRuns.Reserve(DEFAULT_VECTOR_SIZE); - - // Get the mark-up string buffer. - const char* markupStringBuffer = markupString.c_str(); - const char* const markupStringEndBuffer = markupStringBuffer + markupStringSize; - - Tag tag; - CharacterIndex characterIndex = 0u; - for(; markupStringBuffer < markupStringEndBuffer;) - { - tag.attributes.Clear(); - if(IsTag(markupStringBuffer, - markupStringEndBuffer, - tag)) - { - if(TokenComparison(XHTML_COLOR_TAG, tag.buffer, tag.length)) - { - ProcessTagForRun( - markupProcessData.colorRuns, styleStack, tag, characterIndex, colorRunIndex, colorTagReference, [](const Tag& tag, ColorRun& run) { ProcessColorTag(tag, run); }); - } // - else if(TokenComparison(XHTML_I_TAG, tag.buffer, tag.length)) - { - ProcessTagForRun( - markupProcessData.fontRuns, styleStack, tag, characterIndex, fontRunIndex, iTagReference, [](const Tag&, FontDescriptionRun& fontRun) { - fontRun.slant = TextAbstraction::FontSlant::ITALIC; - fontRun.slantDefined = true; - }); - } // - else if(TokenComparison(XHTML_U_TAG, tag.buffer, tag.length)) - { - ProcessTagForRun( - markupProcessData.underlinedCharacterRuns, styleStack, tag, characterIndex, underlinedCharacterRunIndex, uTagReference, [](const Tag& tag, UnderlinedCharacterRun& run) { ProcessUnderlineTag(tag, run); }); - } // - else if(TokenComparison(XHTML_B_TAG, tag.buffer, tag.length)) - { - ProcessTagForRun( - markupProcessData.fontRuns, styleStack, tag, characterIndex, fontRunIndex, bTagReference, [](const Tag&, FontDescriptionRun& fontRun) { - fontRun.weight = TextAbstraction::FontWeight::BOLD; - fontRun.weightDefined = true; - }); - } // - else if(TokenComparison(XHTML_FONT_TAG, tag.buffer, tag.length)) - { - ProcessTagForRun( - markupProcessData.fontRuns, styleStack, tag, characterIndex, fontRunIndex, fontTagReference, [](const Tag& tag, FontDescriptionRun& fontRun) { ProcessFontTag(tag, fontRun); }); - } // - else if(TokenComparison(XHTML_ANCHOR_TAG, tag.buffer, tag.length)) - { - /* Anchor */ - ProcessAnchorTag(markupProcessData, tag, characterIndex); - /* Color */ - ProcessTagForRun( - markupProcessData.colorRuns, styleStack, tag, characterIndex, colorRunIndex, colorTagReference, [](const Tag& tag, ColorRun& run) { - run.color = Color::BLUE; - ProcessColorTag(tag, run); - }); - /* Underline */ - ProcessTagForRun( - markupProcessData.underlinedCharacterRuns, styleStack, tag, characterIndex, underlinedCharacterRunIndex, uTagReference, [](const Tag& tag, UnderlinedCharacterRun& run) { - run.properties.color = Color::BLUE; - run.properties.colorDefined = true; - ProcessUnderlineTag(tag, run); - }); - } // tizen - else if(TokenComparison(XHTML_SHADOW_TAG, tag.buffer, tag.length)) - { - // TODO: If !tag.isEndTag, then create a new shadow run. - // else Pop the top of the stack and set the number of characters of the run. - } // - else if(TokenComparison(XHTML_GLOW_TAG, tag.buffer, tag.length)) - { - // TODO: If !tag.isEndTag, then create a new glow run. - // else Pop the top of the stack and set the number of characters of the run. - } // - else if(TokenComparison(XHTML_OUTLINE_TAG, tag.buffer, tag.length)) - { - // TODO: If !tag.isEndTag, then create a new outline run. - // else Pop the top of the stack and set the number of characters of the run. - } // - else if(TokenComparison(XHTML_ITEM_TAG, tag.buffer, tag.length)) - { - ProcessItemTag(markupProcessData, tag, characterIndex); - } - else if(TokenComparison(XHTML_BACKGROUND_TAG, tag.buffer, tag.length)) - { - ProcessTagForRun( - markupProcessData.backgroundColorRuns, styleStack, tag, characterIndex, backgroundRunIndex, backgroundTagReference, [](const Tag& tag, ColorRun& run) { ProcessBackground(tag, run); }); - } - else if(TokenComparison(XHTML_SPAN_TAG, tag.buffer, tag.length)) - { - ProcessSpanForRun(tag, spanStack, markupProcessData.colorRuns, markupProcessData.fontRuns, markupProcessData.underlinedCharacterRuns, markupProcessData.backgroundColorRuns, colorRunIndex, fontRunIndex, underlinedCharacterRunIndex, backgroundRunIndex, characterIndex, spanTagReference); - } - else if(TokenComparison(XHTML_STRIKETHROUGH_TAG, tag.buffer, tag.length)) - { - ProcessTagForRun( - markupProcessData.strikethroughCharacterRuns, styleStack, tag, characterIndex, strikethroughCharacterRunIndex, sTagReference, [](const Tag& tag, StrikethroughCharacterRun& run) { ProcessStrikethroughTag(tag, run); }); - } // - else if(TokenComparison(XHTML_PARAGRAPH_TAG, tag.buffer, tag.length)) - { - ProcessParagraphTag(markupProcessData, tag, (markupStringBuffer == markupStringEndBuffer), characterIndex); - ProcessTagForRun( - markupProcessData.boundedParagraphRuns, styleStack, tag, characterIndex, boundedParagraphRunIndex, pTagReference, [](const Tag& tag, BoundedParagraphRun& run) { ProcessAttributesOfParagraphTag(tag, run); }); - } //

- } // end if( IsTag() ) - else if(markupStringBuffer < markupStringEndBuffer) - { - ProcessMarkupStringBuffer(markupProcessData, markupStringBuffer, markupStringEndBuffer, characterIndex); - } - } - - // Resize the model's vectors. - ResizeModelVectors(markupProcessData, fontRunIndex, colorRunIndex, underlinedCharacterRunIndex, backgroundRunIndex, boundedParagraphRunIndex); - - // Handle the nested tags - OverrideNestedUnderlinedCharacterRuns(markupProcessData.underlinedCharacterRuns); -} - -} // namespace Text - -} // namespace Toolkit - -} // namespace Dali