Sun, 19 Apr 2015 10:48:00 +0200
improved code structure and added option for disabling line numbers
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 2015 Mike Becker. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * */ #include "javacodegen.h" #include <string.h> #include <ctype.h> const char* jkeywords[] = { "abstract", "continue", "for", "new", "switch", "assert", "default", "goto", "package", "synchronized", "boolean", "do", "if", "private", "this", "break", "double", "implements", "protected", "throw", "byte", "else", "import", "public", "throws", "case", "enum", "instanceof", "return", "transient", "catch", "extends", "int", "short", "try", "char", "final", "interface", "static", "void", "class", "finally", "long", "strictfp", "volatile", "const", "float", "native", "super", "while", NULL }; int isjtype(char *word, size_t len) { return isupper(word[0]); } int isjdirective(char *word) { return word[0] == '@'; } void jparseline(char *src, char *dest, highlighter_t *hltr) { size_t sp = 0, dp = 0; /* indent */ while (isspace(src[sp])) { dest[dp++] = src[sp++]; } memset(hltr->word, 0, WORDBUF_SIZE); size_t wp = 0; int isstring = 0, iscomment = 0, isimport = 0; int isescaping = 0; if (hltr->iscommentml) { iscomment = 1; memcpy(&(dest[dp]), "<span class=\"c2html-comment\">", 29); dp += 29; } for (char c = src[sp] ; c ; c=src[++sp]) { /* comments */ if (c == '/') { if (hltr->iscommentml && sp > 0 && src[sp-1] == '*') { iscomment = 0; hltr->iscommentml = 0; memcpy(&(dest[dp]), "/</span>", 8); dp += 8; continue; } else if (!iscomment && (src[sp+1] == '/' || src[sp+1] == '*')) { iscomment = 1; hltr->iscommentml = (src[sp+1] == '*'); memcpy(&(dest[dp]), "<span class=\"c2html-comment\">", 29); dp += 29; } } if (iscomment) { if (c == '\n') { memcpy(&(dest[dp]), "</span>", 7); dp += 7; } dp = writeescapedchar(dest, dp, c); } else if (isimport) { // TODO: local imports } else { /* strings */ if (!isescaping && (c == '\'' || c == '\"')) { isstring ^= 1; if (isstring) { memcpy(&(dest[dp]), "<span class=\"c2html-string\">", 28); dp += 28; dp = writeescapedchar(dest, dp, c); } else { dp = writeescapedchar(dest, dp, c); memcpy(&(dest[dp]), "</span>", 7); dp += 7; } } else { if (isstring) { dp = writeescapedchar(dest, dp, c); } else if (!iswordcharacter(c)) { /* interpret word int_t */ if (wp > 0 && wp < WORDBUF_SIZE) { int closespan = 1; if (iskeyword(hltr->word, hltr->keywords)) { memcpy(&(dest[dp]), "<span class=\"c2html-keyword\">", 29); dp += 29; } else if (hltr->istype(hltr->word, wp)) { memcpy(&(dest[dp]), "<span class=\"c2html-type\">", 26); dp += 26; } else if (hltr->isdirective(hltr->word)) { memcpy(&(dest[dp]), "<span class=\"c2html-directive\">", 31); dp += 31; } else if (iscapsonly(hltr->word, wp)) { memcpy(&(dest[dp]), "<span class=\"c2html-macroconst\">", 32); dp += 32; } else { closespan = 0; } for (int i = 0 ; i < wp ; i++) { dp = writeescapedchar(dest, dp, hltr->word[i]); } if (closespan) { memcpy(&(dest[dp]), "</span>", 7); dp += 7; } } memset(hltr->word, 0, WORDBUF_SIZE); wp = 0; dp = writeescapedchar(dest, dp, c); } else { /* read word */ if (wp < WORDBUF_SIZE) { hltr->word[wp++] = c; } else if (wp == WORDBUF_SIZE) { for (int i = 0 ; i < WORDBUF_SIZE ; i++) { dp = writeescapedchar(dest, dp, hltr->word[i]); } wp++; dp = writeescapedchar(dest, dp, c); } else { dp = writeescapedchar(dest, dp, c); } } } isescaping = !isescaping & (c == '\\'); } } dest[dp] = 0; }