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Diffstat (limited to 'contrib/file/names.h')
| -rw-r--r-- | contrib/file/names.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/contrib/file/names.h b/contrib/file/names.h new file mode 100644 index 000000000000..2682edcc3a0f --- /dev/null +++ b/contrib/file/names.h @@ -0,0 +1,173 @@ +/* + * Copyright (c) Ian F. Darwin 1986-1995. + * Software written by Ian F. Darwin and others; + * maintained 1995-present by Christos Zoulas and others. + * + * 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 immediately at the beginning of the file, without modification, + * 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 AUTHOR 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 AUTHOR 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. + */ +/* + * Names.h - names and types used by ascmagic in file(1). + * These tokens are here because they can appear anywhere in + * the first HOWMANY bytes, while tokens in MAGIC must + * appear at fixed offsets into the file. Don't make HOWMANY + * too high unless you have a very fast CPU. + * + * $File: names.h,v 1.32 2008/02/11 00:19:29 rrt Exp $ + */ + +/* + modified by Chris Lowth - 9 April 2000 + to add mime type strings to the types table. +*/ + +/* these types are used to index the table 'types': keep em in sync! */ +#define L_C 0 /* first and foremost on UNIX */ +#define L_CC 1 /* Bjarne's postincrement */ +#define L_MAKE 2 /* Makefiles */ +#define L_PLI 3 /* PL/1 */ +#define L_MACH 4 /* some kinda assembler */ +#define L_ENG 5 /* English */ +#define L_PAS 6 /* Pascal */ +#define L_MAIL 7 /* Electronic mail */ +#define L_NEWS 8 /* Usenet Netnews */ +#define L_JAVA 9 /* Java code */ +#define L_HTML 10 /* HTML */ +#define L_BCPL 11 /* BCPL */ +#define L_M4 12 /* M4 */ +#define L_PO 13 /* PO */ + +static const struct { + char human[48]; + char mime[16]; +} types[] = { + { "C program", "text/x-c", }, + { "C++ program", "text/x-c++" }, + { "make commands", "text/x-makefile" }, + { "PL/1 program", "text/x-pl1" }, + { "assembler program", "text/x-asm" }, + { "English", "text/plain" }, + { "Pascal program", "text/x-pascal" }, + { "mail", "text/x-mail" }, + { "news", "text/x-news" }, + { "Java program", "text/x-java" }, + { "HTML document", "text/html", }, + { "BCPL program", "text/x-bcpl" }, + { "M4 macro language pre-processor", "text/x-m4" }, + { "PO (gettext message catalogue)", "text/x-po" }, + { "cannot happen error on names.h/types", "error/x-error" } +}; + +/* + * XXX - how should we distinguish Java from C++? + * The trick used in a Debian snapshot, of having "extends" or "implements" + * as tags for Java, doesn't work very well, given that those keywords + * are often preceded by "class", which flags it as C++. + * + * Perhaps we need to be able to say + * + * If "class" then + * + * if "extends" or "implements" then + * Java + * else + * C++ + * endif + * + * Or should we use other keywords, such as "package" or "import"? + * Unfortunately, Ada95 uses "package", and Modula-3 uses "import", + * although I infer from the language spec at + * + * http://www.research.digital.com/SRC/m3defn/html/m3.html + * + * that Modula-3 uses "IMPORT" rather than "import", i.e. it must be + * in all caps. + * + * So, for now, we go with "import". We must put it before the C++ + * stuff, so that we don't misidentify Java as C++. Not using "package" + * means we won't identify stuff that defines a package but imports + * nothing; hopefully, very little Java code imports nothing (one of the + * reasons for doing OO programming is to import as much as possible + * and write only what you need to, right?). + * + * Unfortunately, "import" may cause us to misidentify English text + * as Java, as it comes after "the" and "The". Perhaps we need a fancier + * heuristic to identify Java? + */ +static const struct names { + char name[14]; + short type; +} names[] = { + /* These must be sorted by eye for optimal hit rate */ + /* Add to this list only after substantial meditation */ + {"msgid", L_PO}, + {"dnl", L_M4}, + {"import", L_JAVA}, + {"\"libhdr\"", L_BCPL}, + {"\"LIBHDR\"", L_BCPL}, + {"//", L_CC}, + {"template", L_CC}, + {"virtual", L_CC}, + {"class", L_CC}, + {"public:", L_CC}, + {"private:", L_CC}, + {"/*", L_C}, /* must precede "The", "the", etc. */ + {"#include", L_C}, + {"char", L_C}, + {"The", L_ENG}, + {"the", L_ENG}, + {"double", L_C}, + {"extern", L_C}, + {"float", L_C}, + {"struct", L_C}, + {"union", L_C}, + {"CFLAGS", L_MAKE}, + {"LDFLAGS", L_MAKE}, + {"all:", L_MAKE}, + {".PRECIOUS", L_MAKE}, + {".ascii", L_MACH}, + {".asciiz", L_MACH}, + {".byte", L_MACH}, + {".even", L_MACH}, + {".globl", L_MACH}, + {".text", L_MACH}, + {"clr", L_MACH}, + {"(input,", L_PAS}, + {"program", L_PAS}, + {"record", L_PAS}, + {"dcl", L_PLI}, + {"Received:", L_MAIL}, + {">From", L_MAIL}, + {"Return-Path:",L_MAIL}, + {"Cc:", L_MAIL}, + {"Newsgroups:", L_NEWS}, + {"Path:", L_NEWS}, + {"Organization:",L_NEWS}, + {"href=", L_HTML}, + {"HREF=", L_HTML}, + {"<body", L_HTML}, + {"<BODY", L_HTML}, + {"<html", L_HTML}, + {"<HTML", L_HTML}, + {"<!--", L_HTML}, +}; +#define NNAMES (sizeof(names)/sizeof(struct names)) |