GuiLanguageColorizer.h

/*********************************************************************** Vczh Library++ 3.0 Developer: Zihan Chen(vczh) GacUI::Control System Interfaces: ***********************************************************************/

#ifndef VCZH_PRESENTATION_CONTROLS_GUILANGUAGECOLORIZER

#define VCZH_PRESENTATION_CONTROLS_GUILANGUAGECOLORIZER

#include "GuiLanguageOperations.h"

#include "../EditorCallback/GuiTextColorizer.h"

namespace

{

namespace

presentation

{

namespace

controls

{

/*********************************************************************** GuiGrammarColorizer ***********************************************************************/

/// <summary>Grammar based colorizer.</summary>

class

GuiGrammarColorizer

public

GuiTextBoxRegexColorizer

protected

RepeatingParsingExecutor

CallbackBase

{

typedef

collections

Pair

WString

FieldDesc

;

typedef

collections

Dictionary

FieldDesc

vint

FieldContextColors

;

typedef

collections

Dictionary

FieldDesc

vint

FieldSemanticColors

;

typedef

elements

text

ColorEntry

;

public

/// <summary>Context for doing semantic colorizing.</summary>

struct

SemanticColorizeContext

ParsingTokenContext

{

/// <summary>Output semantic id that comes from one the argument in the @Semantic attribute.</summary>

vint

semanticId

; };

private

collections

Dictionary

WString

ColorEntry

colorSettings

;

collections

Dictionary

vint

semanticColorMap

;

SpinLock

contextLock

;

RepeatingParsingOutput

context

;

void

OnParsingFinishedAsync

(

const

RepeatingParsingOutput

output

)

override

;

protected

/// <summary>Called when the node is parsed successfully before restarting colorizing.</summary>

/// <param name="context">The result of the parsing.</param>

virtual

void

OnContextFinishedAsync

(

const

RepeatingParsingOutput

context

);

void

Attach

(

elements

GuiColorizedTextElement

_element

SpinLock

_elementModifyLock

compositions

GuiGraphicsComposition

_ownerComposition

vuint

editVersion

)

override

;

void

Detach

()

override

;

void

TextEditPreview

(

TextEditPreviewStruct

arguments

)

override

;

void

TextEditNotify

(

const

TextEditNotifyStruct

arguments

)

override

;

void

TextCaretChanged

(

const

TextCaretChangedStruct

arguments

)

override

;

void

TextEditFinished

(

vuint

editVersion

)

override

;

/// <summary>Called when a @SemanticColor attribute in a grammar is activated during colorizing to determine a color for the token. If there is an <see cref="RepeatingParsingExecutor::IParsingAnalyzer"/> binded to the <see cref="RepeatingParsingExecutor"/>, this function can be automatically done.</summary>

/// <param name="context">Context for doing semantic colorizing.</param>

/// <param name="input">The corressponding result from the <see cref="RepeatingParsingExecutor"/>.</param>

virtual

void

OnSemanticColorize

(

SemanticColorizeContext

context

const

RepeatingParsingOutput

input

);

/// <summary>Call this function in the derived class's destructor when it overrided <see cref="OnSemanticColorize"/>.</summary>

void

EnsureColorizerFinished

();

public

/// <summary>Create the colorizer with a created parsing executor.</summary>

/// <param name="_parsingExecutor">The parsing executor.</param>

GuiGrammarColorizer

(

Ptr

RepeatingParsingExecutor

_parsingExecutor

);

/// <summary>Create the colorizer with a specified grammar and start rule to create a <see cref="RepeatingParsingExecutor"/>.</summary>

/// <param name="_grammarParser">Parser generated from a grammar.</param>

/// <param name="_grammarRule"></param>

GuiGrammarColorizer

(

Ptr

parsing

tabling

ParsingGeneralParser

_grammarParser

const

WString

_grammarRule

);

GuiGrammarColorizer

();

/// <summary>Reset all color settings.</summary>

void

BeginSetColors

();

/// <summary>Get all color names.</summary>

/// <returns>All color names.</returns>

const

collections

SortedList

WString

GetColorNames

();

/// <summary>Get the color for a token theme name (@Color or @ContextColor("theme-name") in the grammar).</summary>

/// <returns>The color.</returns>

/// <param name="name">The token theme name.</param>

ColorEntry

GetColor

(

const

WString

name

);

/// <summary>Set a color for a token theme name (@Color or @ContextColor("theme-name") in the grammar).</summary>

/// <param name="name">The token theme name.</param>

/// <param name="entry">The color.</param>

void

SetColor

(

const

WString

name

const

ColorEntry

entry

);

/// <summary>Set a color for a token theme name (@Color or @ContextColor("theme-name") in the grammar).</summary>

/// <param name="name">The token theme name.</param>

/// <param name="color">The color.</param>

void

SetColor

(

const

WString

name

const

Color

color

);

/// <summary>Submit all color settings.</summary>

void

EndSetColors

();

void

ColorizeTokenContextSensitive

(

vint

lineIndex

const

wchar_t

text

vint

start

vint

length

vint

token

vint

contextState

)

override

;

/// <summary>Get the internal parsing executor.</summary>

/// <returns>The parsing executor.</returns>

Ptr

RepeatingParsingExecutor

GetParsingExecutor

(); }; } } }

#endif