850b690237
git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository@124 f5eea248-9336-0410-98b8-ebc06183d4e3
91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
// Scintilla source code edit control
|
|
/** @file KeyWords.h
|
|
** Colourise for particular languages.
|
|
**/
|
|
// Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
|
|
// The License.txt file describes the conditions under which this software may be distributed.
|
|
|
|
#ifdef SCI_NAMESPACE
|
|
namespace Scintilla {
|
|
#endif
|
|
|
|
typedef void (*LexerFunction)(unsigned int startPos, int lengthDoc, int initStyle,
|
|
WordList *keywordlists[], Accessor &styler);
|
|
|
|
/**
|
|
* A LexerModule is responsible for lexing and folding a particular language.
|
|
* The class maintains a list of LexerModules which can be searched to find a
|
|
* module appropriate to a particular language.
|
|
*/
|
|
class LexerModule {
|
|
protected:
|
|
const LexerModule *next;
|
|
int language;
|
|
LexerFunction fnLexer;
|
|
LexerFunction fnFolder;
|
|
const char * const * wordListDescriptions;
|
|
int styleBits;
|
|
|
|
static const LexerModule *base;
|
|
static int nextLanguage;
|
|
|
|
public:
|
|
const char *languageName;
|
|
LexerModule(int language_,
|
|
LexerFunction fnLexer_,
|
|
const char *languageName_=0,
|
|
LexerFunction fnFolder_=0,
|
|
const char * const wordListDescriptions_[] = NULL,
|
|
int styleBits_=5);
|
|
virtual ~LexerModule() {
|
|
}
|
|
int GetLanguage() const { return language; }
|
|
|
|
// -1 is returned if no WordList information is available
|
|
int GetNumWordLists() const;
|
|
const char *GetWordListDescription(int index) const;
|
|
|
|
int GetStyleBitsNeeded() const;
|
|
|
|
virtual void Lex(unsigned int startPos, int lengthDoc, int initStyle,
|
|
WordList *keywordlists[], Accessor &styler) const;
|
|
virtual void Fold(unsigned int startPos, int lengthDoc, int initStyle,
|
|
WordList *keywordlists[], Accessor &styler) const;
|
|
static const LexerModule *Find(int language);
|
|
static const LexerModule *Find(const char *languageName);
|
|
};
|
|
|
|
#ifdef SCI_NAMESPACE
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* Check if a character is a space.
|
|
* This is ASCII specific but is safe with chars >= 0x80.
|
|
*/
|
|
inline bool isspacechar(unsigned char ch) {
|
|
return (ch == ' ') || ((ch >= 0x09) && (ch <= 0x0d));
|
|
}
|
|
|
|
inline bool iswordchar(char ch) {
|
|
return isascii(ch) && (isalnum(ch) || ch == '.' || ch == '_');
|
|
}
|
|
|
|
inline bool iswordstart(char ch) {
|
|
return isascii(ch) && (isalnum(ch) || ch == '_');
|
|
}
|
|
|
|
inline bool isoperator(char ch) {
|
|
if (isascii(ch) && isalnum(ch))
|
|
return false;
|
|
// '.' left out as it is used to make up numbers
|
|
if (ch == '%' || ch == '^' || ch == '&' || ch == '*' ||
|
|
ch == '(' || ch == ')' || ch == '-' || ch == '+' ||
|
|
ch == '=' || ch == '|' || ch == '{' || ch == '}' ||
|
|
ch == '[' || ch == ']' || ch == ':' || ch == ';' ||
|
|
ch == '<' || ch == '>' || ch == ',' || ch == '/' ||
|
|
ch == '?' || ch == '!' || ch == '.' || ch == '~')
|
|
return true;
|
|
return false;
|
|
}
|