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Diffstat (limited to 'src/LexAsn1.cxx')
| -rw-r--r-- | src/LexAsn1.cxx | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/src/LexAsn1.cxx b/src/LexAsn1.cxx deleted file mode 100644 index 36f1d5dc2..000000000 --- a/src/LexAsn1.cxx +++ /dev/null @@ -1,185 +0,0 @@ -// Scintilla source code edit control -/** @file LexAsn1.cxx - ** Lexer for ASN.1 - **/ -// Copyright 2004 by Herr Pfarrer rpfarrer <at> yahoo <dot> de -// Last Updated: 20/07/2004 -// The License.txt file describes the conditions under which this software may be distributed. -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include <stdio.h> -#include <stdarg.h> - -#include "Platform.h" - -#include "PropSet.h" -#include "Accessor.h" -#include "StyleContext.h" -#include "KeyWords.h" -#include "Scintilla.h" -#include "SciLexer.h" - -#ifdef SCI_NAMESPACE -using namespace Scintilla; -#endif - -// Some char test functions -static bool isAsn1Number(int ch) -{ - return (ch >= '0' && ch <= '9'); -} - -static bool isAsn1Letter(int ch) -{ - return (ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z'); -} - -static bool isAsn1Char(int ch) -{ - return (ch == '-' ) || isAsn1Number(ch) || isAsn1Letter (ch); -} - -// -// Function determining the color of a given code portion -// Based on a "state" -// -static void ColouriseAsn1Doc(unsigned int startPos, int length, int initStyle, WordList *keywordLists[], Accessor &styler) -{ - // The keywords - WordList &Keywords = *keywordLists[0]; - WordList &Attributes = *keywordLists[1]; - WordList &Descriptors = *keywordLists[2]; - WordList &Types = *keywordLists[3]; - - // Parse the whole buffer character by character using StyleContext - StyleContext sc(startPos, length, initStyle, styler); - for (; sc.More(); sc.Forward()) - { - // The state engine - switch (sc.state) - { - case SCE_ASN1_DEFAULT: // Plain characters -asn1_default: - if (sc.ch == '-' && sc.chNext == '-') - // A comment begins here - sc.SetState(SCE_ASN1_COMMENT); - else if (sc.ch == '"') - // A string begins here - sc.SetState(SCE_ASN1_STRING); - else if (isAsn1Number (sc.ch)) - // A number starts here (identifier should start with a letter in ASN.1) - sc.SetState(SCE_ASN1_SCALAR); - else if (isAsn1Char (sc.ch)) - // An identifier starts here (identifier always start with a letter) - sc.SetState(SCE_ASN1_IDENTIFIER); - else if (sc.ch == ':') - // A ::= operator starts here - sc.SetState(SCE_ASN1_OPERATOR); - break; - case SCE_ASN1_COMMENT: // A comment - if (sc.ch == '\r' || sc.ch == '\n') - // A comment ends here - sc.SetState(SCE_ASN1_DEFAULT); - break; - case SCE_ASN1_IDENTIFIER: // An identifier (keyword, attribute, descriptor or type) - if (!isAsn1Char (sc.ch)) - { - // The end of identifier is here: we can look for it in lists by now and change its state - char s[100]; - sc.GetCurrent(s, sizeof(s)); - if (Keywords.InList(s)) - // It's a keyword, change its state - sc.ChangeState(SCE_ASN1_KEYWORD); - else if (Attributes.InList(s)) - // It's an attribute, change its state - sc.ChangeState(SCE_ASN1_ATTRIBUTE); - else if (Descriptors.InList(s)) - // It's a descriptor, change its state - sc.ChangeState(SCE_ASN1_DESCRIPTOR); - else if (Types.InList(s)) - // It's a type, change its state - sc.ChangeState(SCE_ASN1_TYPE); - - // Set to default now - sc.SetState(SCE_ASN1_DEFAULT); - } - break; - case SCE_ASN1_STRING: // A string delimited by "" - if (sc.ch == '"') - { - // A string ends here - sc.ForwardSetState(SCE_ASN1_DEFAULT); - - // To correctly manage a char sticking to the string quote - goto asn1_default; - } - break; - case SCE_ASN1_SCALAR: // A plain number - if (!isAsn1Number (sc.ch)) - // A number ends here - sc.SetState(SCE_ASN1_DEFAULT); - break; - case SCE_ASN1_OPERATOR: // The affectation operator ::= and wath follows (eg: ::= { org 6 } OID or ::= 12 trap) - if (sc.ch == '{') - { - // An OID definition starts here: enter the sub loop - for (; sc.More(); sc.Forward()) - { - if (isAsn1Number (sc.ch) && (!isAsn1Char (sc.chPrev) || isAsn1Number (sc.chPrev))) - // The OID number is highlighted - sc.SetState(SCE_ASN1_OID); - else if (isAsn1Char (sc.ch)) - // The OID parent identifier is plain - sc.SetState(SCE_ASN1_IDENTIFIER); - else - sc.SetState(SCE_ASN1_DEFAULT); - - if (sc.ch == '}') - // Here ends the OID and the operator sub loop: go back to main loop - break; - } - } - else if (isAsn1Number (sc.ch)) - { - // A trap number definition starts here: enter the sub loop - for (; sc.More(); sc.Forward()) - { - if (isAsn1Number (sc.ch)) - // The trap number is highlighted - sc.SetState(SCE_ASN1_OID); - else - { - // The number ends here: go back to main loop - sc.SetState(SCE_ASN1_DEFAULT); - break; - } - } - } - else if (sc.ch != ':' && sc.ch != '=' && sc.ch != ' ') - // The operator doesn't imply an OID definition nor a trap, back to main loop - goto asn1_default; // To be sure to handle actually the state change - break; - } - } - sc.Complete(); -} - -static void FoldAsn1Doc(unsigned int, int, int, WordList *[], Accessor &styler) -{ - // No folding enabled, no reason to continue... - if( styler.GetPropertyInt("fold") == 0 ) - return; - - // No folding implemented: doesn't make sense for ASN.1 -} - -static const char * const asn1WordLists[] = { - "Keywords", - "Attributes", - "Descriptors", - "Types", - 0, }; - - -LexerModule lmAns1(SCLEX_ASN1, ColouriseAsn1Doc, "asn1", FoldAsn1Doc, asn1WordLists); 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