GuiLanguageAutoComplete.h

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

#ifndef VCZH_PRESENTATION_CONTROLS_GUILANGUAGEAUTOCOMPLETE

#define VCZH_PRESENTATION_CONTROLS_GUILANGUAGEAUTOCOMPLETE

#include "GuiLanguageOperations.h"

#include "../EditorCallback/GuiTextAutoComplete.h"

namespace

{

namespace

presentation

{

namespace

controls

{

/*********************************************************************** GuiGrammarAutoComplete ***********************************************************************/

/// <summary>Grammar based auto complete controller.</summary>

class

GuiGrammarAutoComplete

public

GuiTextBoxAutoCompleteBase

protected

RepeatingParsingExecutor

CallbackBase

private

RepeatingTaskExecutor

RepeatingParsingOutput

> {

public

/// <summary>The auto complete list data.</summary>

struct

AutoCompleteData

ParsingTokenContext

{

/// <summary>Available candidate tokens (in lexer token index).</summary>

collections

List

vint

candidates

;

/// <summary>Available candidate tokens (in lexer token index) that marked with @AutoCompleteCandidate().</summary>

collections

List

vint

shownCandidates

;

/// <summary>Candidate items.</summary>

collections

List

ParsingCandidateItem

candidateItems

;

/// <summary>The start position of the editing token in global coordination.</summary>

TextPos

startPosition

; };

/// <summary>The analysed data from an input code.</summary>

struct

AutoCompleteContext

RepeatingPartialParsingOutput

{

/// <summary>The edit version of modified code.</summary>

vuint

modifiedEditVersion

;

/// <summary>The analysed auto complete list data.</summary>

Ptr

AutoCompleteData

autoComplete

; };

private

Ptr

parsing

tabling

ParsingGeneralParser

grammarParser

;

collections

SortedList

WString

leftRecursiveRules

;

bool

editing

;

SpinLock

editTraceLock

;

collections

List

TextEditNotifyStruct

editTrace

;

SpinLock

contextLock

;

AutoCompleteContext

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

;

void

OnParsingFinishedAsync

(

const

RepeatingParsingOutput

output

)

override

;

void

CollectLeftRecursiveRules

();

vint

UnsafeGetEditTraceIndex

(

vuint

editVersion

);

TextPos

ChooseCorrectTextPos

(

TextPos

pos

const

regex

RegexTokens

tokens

);

void

ExecuteRefresh

(

AutoCompleteContext

newContext

);

bool

NormalizeTextPos

(

AutoCompleteContext

newContext

elements

text

TextLines

lines

TextPos

pos

);

void

ExecuteEdit

(

AutoCompleteContext

newContext

);

void

DeleteFutures

(

collections

List

parsing

tabling

ParsingState

Future

*>&

futures

);

regex

RegexToken

TraverseTransitions

(

parsing

tabling

ParsingState

state

parsing

tabling

ParsingTransitionCollector

transitionCollector

TextPos

stopPosition

collections

List

parsing

tabling

ParsingState

Future

*>&

nonRecoveryFutures

collections

List

parsing

tabling

ParsingState

Future

*>&

recoveryFutures

);

regex

RegexToken

SearchValidInputToken

(

parsing

tabling

ParsingState

state

parsing

tabling

ParsingTransitionCollector

transitionCollector

TextPos

stopPosition

AutoCompleteContext

newContext

collections

SortedList

vint

tableTokenIndices

);

TextPos

GlobalTextPosToModifiedTextPos

(

AutoCompleteContext

newContext

TextPos

pos

);

TextPos

ModifiedTextPosToGlobalTextPos

(

AutoCompleteContext

newContext

TextPos

pos

);

void

ExecuteCalculateList

(

AutoCompleteContext

newContext

);

void

Execute

(

const

RepeatingParsingOutput

input

)

override

;

void

PostList

(

const

AutoCompleteContext

newContext

bool

byGlobalCorrection

);

void

Initialize

();

protected

/// <summary>Called when the context of the code is selected. It is encouraged to set the "candidateItems" field in "context.autoComplete" during the call. If there is an <see cref="RepeatingParsingExecutor::IParsingAnalyzer"/> binded to the <see cref="RepeatingParsingExecutor"/>, this function can be automatically done.</summary>

/// <param name="context">The selected context.</param>

virtual

void

OnContextFinishedAsync

(

AutoCompleteContext

context

);

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

void

EnsureAutoCompleteFinished

();

public

/// <summary>Create the auto complete controller with a created parsing executor.</summary>

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

GuiGrammarAutoComplete

(

Ptr

RepeatingParsingExecutor

_parsingExecutor

);

/// <summary>Create the auto complete controller 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>

GuiGrammarAutoComplete

(

Ptr

parsing

tabling

ParsingGeneralParser

_grammarParser

const

WString

_grammarRule

);

GuiGrammarAutoComplete

();

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

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

Ptr

RepeatingParsingExecutor

GetParsingExecutor

(); }; } } }

#endif