142 lines
3.1 KiB
C++
142 lines
3.1 KiB
C++
// Scintilla source code edit control
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/** @file DefaultLexer.cxx
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** A lexer base class that provides reasonable default behaviour.
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**/
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// Copyright 2017 by Neil Hodgson <neilh@scintilla.org>
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// The License.txt file describes the conditions under which this software may be distributed.
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#include <cstdlib>
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#include <cassert>
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#include <cstring>
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#include <string>
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#include <string_view>
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#include "ILexer.h"
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#include "Scintilla.h"
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#include "SciLexer.h"
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#include "PropSetSimple.h"
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#include "WordList.h"
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#include "LexAccessor.h"
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#include "Accessor.h"
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#include "LexerModule.h"
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#include "DefaultLexer.h"
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using namespace Lexilla;
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static const char styleSubable[] = { 0 };
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DefaultLexer::DefaultLexer(const char *languageName_, int language_,
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const LexicalClass *lexClasses_, size_t nClasses_) :
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languageName(languageName_),
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language(language_),
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lexClasses(lexClasses_),
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nClasses(nClasses_) {
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}
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DefaultLexer::~DefaultLexer() = default;
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void SCI_METHOD DefaultLexer::Release() {
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delete this;
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}
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int SCI_METHOD DefaultLexer::Version() const {
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return Scintilla::lvRelease5;
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}
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const char * SCI_METHOD DefaultLexer::PropertyNames() {
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return "";
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}
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int SCI_METHOD DefaultLexer::PropertyType(const char *) {
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return SC_TYPE_BOOLEAN;
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}
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const char * SCI_METHOD DefaultLexer::DescribeProperty(const char *) {
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return "";
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}
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Sci_Position SCI_METHOD DefaultLexer::PropertySet(const char *, const char *) {
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return -1;
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}
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const char * SCI_METHOD DefaultLexer::DescribeWordListSets() {
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return "";
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}
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Sci_Position SCI_METHOD DefaultLexer::WordListSet(int, const char *) {
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return -1;
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}
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void SCI_METHOD DefaultLexer::Fold(Sci_PositionU, Sci_Position, int, Scintilla::IDocument *) {
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}
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void * SCI_METHOD DefaultLexer::PrivateCall(int, void *) {
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return nullptr;
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}
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int SCI_METHOD DefaultLexer::LineEndTypesSupported() {
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return SC_LINE_END_TYPE_DEFAULT;
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}
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int SCI_METHOD DefaultLexer::AllocateSubStyles(int, int) {
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return -1;
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}
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int SCI_METHOD DefaultLexer::SubStylesStart(int) {
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return -1;
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}
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int SCI_METHOD DefaultLexer::SubStylesLength(int) {
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return 0;
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}
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int SCI_METHOD DefaultLexer::StyleFromSubStyle(int subStyle) {
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return subStyle;
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}
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int SCI_METHOD DefaultLexer::PrimaryStyleFromStyle(int style) {
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return style;
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}
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void SCI_METHOD DefaultLexer::FreeSubStyles() {
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}
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void SCI_METHOD DefaultLexer::SetIdentifiers(int, const char *) {
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}
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int SCI_METHOD DefaultLexer::DistanceToSecondaryStyles() {
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return 0;
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}
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const char * SCI_METHOD DefaultLexer::GetSubStyleBases() {
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return styleSubable;
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}
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int SCI_METHOD DefaultLexer::NamedStyles() {
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return static_cast<int>(nClasses);
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}
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const char * SCI_METHOD DefaultLexer::NameOfStyle(int style) {
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return (style < NamedStyles()) ? lexClasses[style].name : "";
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}
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const char * SCI_METHOD DefaultLexer::TagsOfStyle(int style) {
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return (style < NamedStyles()) ? lexClasses[style].tags : "";
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}
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const char * SCI_METHOD DefaultLexer::DescriptionOfStyle(int style) {
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return (style < NamedStyles()) ? lexClasses[style].description : "";
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}
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// ILexer5 methods
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const char * SCI_METHOD DefaultLexer::GetName() {
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return languageName;
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}
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int SCI_METHOD DefaultLexer::GetIdentifier() {
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return language;
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}
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