// Scintilla source code edit control
/** @file LexPS.cxx
 ** Lexer for PostScript
 **
 ** Written by Nigel Hathaway <nigel@bprj.co.uk>.
 ** The License.txt file describes the conditions under which this software may be distributed.
 **/

#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
#include <fcntl.h>

#include "Platform.h"

#include "PropSet.h"
#include "Accessor.h"
#include "StyleContext.h"
#include "KeyWords.h"
#include "Scintilla.h"
#include "SciLexer.h"

static inline bool IsASelfDelimitingChar(const int ch) {
    return (ch == '[' || ch == ']' || ch == '{' || ch == '}' ||
            ch == '/' || ch == '<' || ch == '>' ||
            ch == '(' || ch == ')' || ch == '%');
}

static inline bool IsAWhitespaceChar(const int ch) {
    return (ch == ' '  || ch == '\t' || ch == '\r' ||
            ch == '\n' || ch == '\f' || ch == '\0');
}

static bool IsABaseNDigit(const int ch, const int base) {
    int maxdig = '9';
    int letterext = -1;

    if (base <= 10)
        maxdig = '0' + base - 1;
    else
        letterext = base - 11;

    return ((ch >= '0' && ch <= maxdig) ||
            (ch >= 'A' && ch <= ('A' + letterext)) ||
            (ch >= 'a' && ch <= ('a' + letterext)));
}

static inline bool IsABase85Char(const int ch) {
    return ((ch >= '!' && ch <= 'u') || ch == 'z');
}

static void ColourisePSDoc(
    unsigned int startPos,
    int length,
    int initStyle,
    WordList *keywordlists[],
    Accessor &styler) {

    WordList &keywords1 = *keywordlists[0];
    WordList &keywords2 = *keywordlists[1];
    WordList &keywords3 = *keywordlists[2];
    WordList &keywords4 = *keywordlists[3];
    WordList &keywords5 = *keywordlists[4];

    StyleContext sc(startPos, length, initStyle, styler);

    bool tokenizing = styler.GetPropertyInt("ps.tokenize") != 0;
    int pslevel = styler.GetPropertyInt("ps.level", 3);
    int lineCurrent = styler.GetLine(startPos);
    int nestTextCurrent = 0;
    if (lineCurrent > 0 && initStyle == SCE_PS_TEXT)
        nestTextCurrent = styler.GetLineState(lineCurrent - 1);
    int numRadix = 0;
    bool numHasPoint = false;
    bool numHasExponent = false;
    bool numHasSign = false;

    // Clear out existing tokenization
    if (tokenizing && length > 0) {
        styler.StartAt(startPos, static_cast<char>(INDIC2_MASK));
        styler.ColourTo(startPos + length-1, 0);
        styler.Flush();
        styler.StartAt(startPos);
        styler.StartSegment(startPos);
    }

    for (; sc.More(); sc.Forward()) {
        if (sc.atLineStart)
            lineCurrent = styler.GetLine(sc.currentPos);

        // Determine if the current state should terminate.
        if (sc.state == SCE_PS_COMMENT || sc.state == SCE_PS_DSC_VALUE) {
            if (sc.atLineEnd) {
                sc.SetState(SCE_C_DEFAULT);
            }
        } else if (sc.state == SCE_PS_DSC_COMMENT) {
            if (sc.ch == ':') {
                sc.Forward();
                if (!sc.atLineEnd)
                    sc.SetState(SCE_PS_DSC_VALUE);
                else
                    sc.SetState(SCE_C_DEFAULT);
            } else if (sc.atLineEnd) {
                sc.SetState(SCE_C_DEFAULT);
            } else if (IsAWhitespaceChar(sc.ch)) {
                sc.ChangeState(SCE_PS_COMMENT);
            }
        } else if (sc.state == SCE_PS_NUMBER) {
            if (IsASelfDelimitingChar(sc.ch) || IsAWhitespaceChar(sc.ch)) {
                if ((sc.chPrev == '+' || sc.chPrev == '-' ||
                     sc.chPrev == 'E' || sc.chPrev == 'e') && numRadix == 0)
                    sc.ChangeState(SCE_PS_NAME);
                sc.SetState(SCE_C_DEFAULT);
            } else if (sc.ch == '#') {
                if (numHasPoint || numHasExponent || numHasSign || numRadix != 0) {
                    sc.ChangeState(SCE_PS_NAME);
                } else {
                    char szradix[5];
                    sc.GetCurrent(szradix, 4);
                    numRadix = atoi(szradix);
                    if (numRadix < 2 || numRadix > 36)
                        sc.ChangeState(SCE_PS_NAME);
                }
            } else if ((sc.ch == 'E' || sc.ch == 'e') && numRadix == 0) {
                if (numHasExponent) {
                    sc.ChangeState(SCE_PS_NAME);
                } else {
                    numHasExponent = true;
                    if (sc.chNext == '+' || sc.chNext == '-')
                        sc.Forward();
                }
            } else if (sc.ch == '.') {
                if (numHasPoint || numHasExponent || numRadix != 0) {
                    sc.ChangeState(SCE_PS_NAME);
                } else {
                    numHasPoint = true;
                }
            } else if (numRadix == 0) {
                if (!IsABaseNDigit(sc.ch, 10))
                    sc.ChangeState(SCE_PS_NAME);
            } else {
                if (!IsABaseNDigit(sc.ch, numRadix))
                    sc.ChangeState(SCE_PS_NAME);
            }
        } else if (sc.state == SCE_PS_NAME || sc.state == SCE_PS_KEYWORD) {
            if (IsASelfDelimitingChar(sc.ch) || IsAWhitespaceChar(sc.ch)) {
                char s[100];
                sc.GetCurrent(s, sizeof(s));
                if ((pslevel >= 1 && keywords1.InList(s)) ||
                    (pslevel >= 2 && keywords2.InList(s)) ||
                    (pslevel >= 3 && keywords3.InList(s)) ||
                    keywords4.InList(s) || keywords5.InList(s)) {
                    sc.ChangeState(SCE_PS_KEYWORD);
                }
                sc.SetState(SCE_C_DEFAULT);
            }
        } else if (sc.state == SCE_PS_LITERAL || sc.state == SCE_PS_IMMEVAL) {
            if (IsASelfDelimitingChar(sc.ch) || IsAWhitespaceChar(sc.ch))
                sc.SetState(SCE_C_DEFAULT);
        } else if (sc.state == SCE_PS_PAREN_ARRAY || sc.state == SCE_PS_PAREN_DICT ||
                   sc.state == SCE_PS_PAREN_PROC) {
            sc.SetState(SCE_C_DEFAULT);
        } else if (sc.state == SCE_PS_TEXT) {
            if (sc.ch == '(') {
                nestTextCurrent++;
            } else if (sc.ch == ')') {
                if (--nestTextCurrent == 0)
                   sc.ForwardSetState(SCE_PS_DEFAULT);
            } else if (sc.ch == '\\') {
                sc.Forward();
            }
        } else if (sc.state == SCE_PS_HEXSTRING) {
            if (sc.ch == '>') {
                sc.ForwardSetState(SCE_PS_DEFAULT);
            } else if (!IsABaseNDigit(sc.ch, 16) && !IsAWhitespaceChar(sc.ch)) {
                sc.SetState(SCE_PS_HEXSTRING);
                styler.ColourTo(sc.currentPos, SCE_PS_BADSTRINGCHAR);
            }
        } else if (sc.state == SCE_PS_BASE85STRING) {
            if (sc.Match('~', '>')) {
                sc.Forward();
                sc.ForwardSetState(SCE_PS_DEFAULT);
            } else if (!IsABase85Char(sc.ch) && !IsAWhitespaceChar(sc.ch)) {
                sc.SetState(SCE_PS_BASE85STRING);
                styler.ColourTo(sc.currentPos, SCE_PS_BADSTRINGCHAR);
            }
        }

        // Determine if a new state should be entered.
        if (sc.state == SCE_C_DEFAULT) {
            unsigned int tokenpos = sc.currentPos;

            if (sc.ch == '[' || sc.ch == ']') {
                sc.SetState(SCE_PS_PAREN_ARRAY);
            } else if (sc.ch == '{' || sc.ch == '}') {
                sc.SetState(SCE_PS_PAREN_PROC);
            } else if (sc.ch == '/') {
                if (sc.chNext == '/') {
                    sc.SetState(SCE_PS_IMMEVAL);
                    sc.Forward();
                } else {
                    sc.SetState(SCE_PS_LITERAL);
                }
            } else if (sc.ch == '<') {
                if (sc.chNext == '<') {
                    sc.SetState(SCE_PS_PAREN_DICT);
                    sc.Forward();
                } else if (sc.chNext == '~') {
                    sc.SetState(SCE_PS_BASE85STRING);
                    sc.Forward();
                } else {
                    sc.SetState(SCE_PS_HEXSTRING);
                }
            } else if (sc.ch == '>' && sc.chNext == '>') {
                    sc.SetState(SCE_PS_PAREN_DICT);
                    sc.Forward();
  HTTP/1.1 200 OK
Connection: keep-alive
Connection: keep-alive
Connection: keep-alive
Content-Disposition: inline; filename="LexPS.cxx"
Content-Disposition: inline; filename="LexPS.cxx"
Content-Disposition: inline; filename="LexPS.cxx"
Content-Length: 12932
Content-Length: 12932
Content-Length: 12932
Content-Security-Policy: default-src 'none'
Content-Security-Policy: default-src 'none'
Content-Security-Policy: default-src 'none'
Content-Type: text/plain; charset=UTF-8
Content-Type: text/plain; charset=UTF-8
Content-Type: text/plain; charset=UTF-8
Date: Sun, 14 Dec 2025 14:36:33 UTC
ETag: "a44f3cefcca362af5f0a2daa672a3fb448a7874a"
ETag: "a44f3cefcca362af5f0a2daa672a3fb448a7874a"
ETag: "a44f3cefcca362af5f0a2daa672a3fb448a7874a"
Expires: Wed, 12 Dec 2035 14:36:33 GMT
Expires: Wed, 12 Dec 2035 14:36:33 GMT
Expires: Wed, 12 Dec 2035 14:36:34 GMT
Last-Modified: Sun, 14 Dec 2025 14:36:33 GMT
Last-Modified: Sun, 14 Dec 2025 14:36:33 GMT
Last-Modified: Sun, 14 Dec 2025 14:36:34 GMT
Server: OpenBSD httpd
Server: OpenBSD httpd
Server: OpenBSD httpd
X-Content-Type-Options: nosniff
X-Content-Type-Options: nosniff
X-Content-Type-Options: nosniff

// Scintilla source code edit control
/** @file LexPS.cxx
 ** Lexer for PostScript
 **
 ** Written by Nigel Hathaway <nigel@bprj.co.uk>.
 ** The License.txt file describes the conditions under which this software may be distributed.
 **/

#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
#include <fcntl.h>

#include "Platform.h"

#include "PropSet.h"
#include "Accessor.h"
#include "StyleContext.h"
#include "KeyWords.h"
#include "Scintilla.h"
#include "SciLexer.h"

static inline bool IsASelfDelimitingChar(const int ch) {
    return (ch == '[' || ch == ']' || ch == '{' || ch == '}' ||
            ch == '/' || ch == '<' || ch == '>' ||
            ch == '(' || ch == ')' || ch == '%');
}

static inline bool IsAWhitespaceChar(const int ch) {
    return (ch == ' '  || ch == '\t' || ch == '\r' ||
            ch == '\n' || ch == '\f' || ch == '\0');
}

static bool IsABaseNDigit(const int ch, const int base) {
    int maxdig = '9';
    int letterext = -1;

    if (base <= 10)
        maxdig = '0' + base - 1;
    else
        letterext = base - 11;

    return ((ch >= '0' && ch <= maxdig) ||
            (ch >= 'A' && ch <= ('A' + letterext)) ||
            (ch >= 'a' && ch <= ('a' + letterext)));
}

static inline bool IsABase85Char(const int ch) {
    return ((ch >= '!' && ch <= 'u') || ch == 'z');
}

static void ColourisePSDoc(
    unsigned int startPos,
    int length,
    int initStyle,
    WordList *keywordlists[],
    Accessor &styler) {

    WordList &keywords1 = *keywordlists[0];
    WordList &keywords2 = *keywordlists[1];
    WordList &keywords3 = *keywordlists[2];
    WordList &keywords4 = *keywordlists[3];
    WordList &keywords5 = *keywordlists[4];

    StyleContext sc(startPos, length, initStyle, styler);

    bool tokenizing = styler.GetPropertyInt("ps.tokenize") != 0;
    int pslevel = styler.GetPropertyInt("ps.level", 3);
    int lineCurrent = styler.GetLine(startPos);
    int nestTextCurrent = 0;
    if (lineCurrent > 0 && initStyle == SCE_PS_TEXT)
        nestTextCurrent = styler.GetLineState(lineCurrent - 1);
    int numRadix = 0;
    bool numHasPoint = false;
    bool numHasExponent = false;
    bool numHasSign = false;

    // Clear out existing tokenization
    if (tokenizing && length > 0) {
        styler.StartAt(startPos, static_cast<char>(INDIC2_MASK));
        styler.ColourTo(startPos + length-1, 0);
        styler.Flush();
        styler.StartAt(startPos);
        styler.StartSegment(startPos);
    }

    for (; sc.More(); sc.Forward()) {
        if (sc.atLineStart)
            lineCurrent = styler.GetLine(sc.currentPos);

        // Determine if the current state should terminate.
        if (sc.state == SCE_PS_COMMENT || sc.state == SCE_PS_DSC_VALUE) {
            if (sc.atLineEnd) {
                sc.SetState(SCE_C_DEFAULT);
            }
        } else if (sc.state == SCE_PS_DSC_COMMENT) {
            if (sc.ch == ':') {
                sc.Forward();
                if (!sc.atLineEnd)
                    sc.SetState(SCE_PS_DSC_VALUE);
                else
                    sc.SetState(SCE_C_DEFAULT);
            } else if (sc.atLineEnd) {
                sc.SetState(SCE_C_DEFAULT);
            } else if (IsAWhitespaceChar(sc.ch)) {
                sc.ChangeState(SCE_PS_COMMENT);
            }
        } else if (sc.state == SCE_PS_NUMBER) {
            if (IsASelfDelimitingChar(sc.ch) || IsAWhitespaceChar(sc.ch)) {
                if ((sc.chPrev == '+' || sc.chPrev == '-' ||
                     sc.chPrev == 'E' || sc.chP