1/* vi: set sw=4 ts=4: */ 2/* 3 * config file parser helper 4 * 5 * Copyright (C) 2008 by Vladimir Dronnikov <dronnikov@gmail.com> 6 * 7 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. 8 * Also for use in uClibc (http://uclibc.org/) licensed under LGPLv2.1 or later. 9 */ 10#ifndef __INTERNAL_PARSE_CONFIG_H 11#define __INTERNAL_PARSE_CONFIG_H 12 13#include <stdio.h> 14#ifndef FAST_FUNC 15# define FAST_FUNC 16#endif 17 18/* 19 * Config file parser 20 */ 21enum { 22 PARSE_COLLAPSE = 0x00010000, /* treat consecutive delimiters as one */ 23 PARSE_TRIM = 0x00020000, /* trim leading and trailing delimiters */ 24/* TODO: COLLAPSE and TRIM seem to always go in pair */ 25 PARSE_GREEDY = 0x00040000, /* last token takes entire remainder of the line */ 26 PARSE_MIN_DIE = 0x00100000, /* die if < min tokens found */ 27 /* keep a copy of current line */ 28 PARSE_KEEP_COPY = 0x00200000 * 0, /*ENABLE_FEATURE_CROND_D, */ 29/* PARSE_ESCAPE = 0x00400000,*/ /* process escape sequences in tokens */ 30 /* NORMAL is: 31 * remove leading and trailing delimiters and collapse 32 multiple delimiters into one 33 * warn and continue if less than mintokens delimiters found 34 * grab everything into last token 35 */ 36 PARSE_NORMAL = PARSE_COLLAPSE | PARSE_TRIM | PARSE_GREEDY, 37}; 38 39typedef struct parser_t { 40 FILE *fp; /* input file */ 41 char *data; /* pointer to data */ 42 size_t data_len; /* offset into data of begin of line */ 43 char *line; /* pointer to beginning of line */ 44 size_t line_len; /* length of line */ 45 smalluint allocated; 46} parser_t; 47 48parser_t* config_open(const char *filename) FAST_FUNC attribute_hidden; 49int config_read(parser_t *parser, char ***tokens, unsigned flags, const char *delims) FAST_FUNC attribute_hidden; 50#define config_read(parser, tokens, max, min, str, flags) \ 51 config_read(parser, tokens, ((flags) | (((min) & 0xFF) << 8) | ((max) & 0xFF)), str) 52void config_close(parser_t *parser) FAST_FUNC attribute_hidden; 53 54#endif /* __INTERNAL_PARSE_CONFIG_H */ 55