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https://github.com/nunuhara/xsystem4.git
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Use custom parser for System40.ini
This is not really a standard ini file, so a custom parser is needed to access all of the information stored in it (specifically, lists like "LoadDLL"). This commit also makes flex/bison a hard dependency.
This commit is contained in:
Nunuhara Cabbage
-148
@@ -1,148 +0,0 @@
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/* inih -- simple .INI file parser
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SPDX-License-Identifier: BSD-3-Clause
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Copyright (C) 2009-2019, Ben Hoyt
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inih is released under the New BSD license (see LICENSE.txt). Go to the project
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home page for more info:
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https://github.com/benhoyt/inih
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*/
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#ifndef __INI_H__
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#define __INI_H__
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/* Make this header file easier to include in C++ code */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdio.h>
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/* Nonzero if ini_handler callback should accept lineno parameter. */
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#ifndef INI_HANDLER_LINENO
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#define INI_HANDLER_LINENO 0
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#endif
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/* Typedef for prototype of handler function. */
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#if INI_HANDLER_LINENO
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typedef int (*ini_handler)(void* user, const char* section,
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const char* name, const char* value,
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int lineno);
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#else
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typedef int (*ini_handler)(void* user, const char* section,
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const char* name, const char* value);
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#endif
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/* Typedef for prototype of fgets-style reader function. */
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typedef char* (*ini_reader)(char* str, int num, void* stream);
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/* Parse given INI-style file. May have [section]s, name=value pairs
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(whitespace stripped), and comments starting with ';' (semicolon). Section
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is "" if name=value pair parsed before any section heading. name:value
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pairs are also supported as a concession to Python's configparser.
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For each name=value pair parsed, call handler function with given user
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pointer as well as section, name, and value (data only valid for duration
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of handler call). Handler should return nonzero on success, zero on error.
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Returns 0 on success, line number of first error on parse error (doesn't
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stop on first error), -1 on file open error, or -2 on memory allocation
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error (only when INI_USE_STACK is zero).
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*/
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int ini_parse(const char* filename, ini_handler handler, void* user);
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/* Same as ini_parse(), but takes a FILE* instead of filename. This doesn't
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close the file when it's finished -- the caller must do that. */
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int ini_parse_file(FILE* file, ini_handler handler, void* user);
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/* Same as ini_parse(), but takes an ini_reader function pointer instead of
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filename. Used for implementing custom or string-based I/O (see also
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ini_parse_string). */
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int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
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void* user);
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/* Same as ini_parse(), but takes a zero-terminated string with the INI data
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instead of a file. Useful for parsing INI data from a network socket or
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already in memory. */
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int ini_parse_string(const char* string, ini_handler handler, void* user);
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/* Nonzero to allow multi-line value parsing, in the style of Python's
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configparser. If allowed, ini_parse() will call the handler with the same
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name for each subsequent line parsed. */
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#ifndef INI_ALLOW_MULTILINE
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#define INI_ALLOW_MULTILINE 1
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#endif
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/* Nonzero to allow a UTF-8 BOM sequence (0xEF 0xBB 0xBF) at the start of
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the file. See https://github.com/benhoyt/inih/issues/21 */
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#ifndef INI_ALLOW_BOM
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#define INI_ALLOW_BOM 1
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#endif
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/* Chars that begin a start-of-line comment. Per Python configparser, allow
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both ; and # comments at the start of a line by default. */
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#ifndef INI_START_COMMENT_PREFIXES
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#define INI_START_COMMENT_PREFIXES ";#"
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#endif
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/* Nonzero to allow inline comments (with valid inline comment characters
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specified by INI_INLINE_COMMENT_PREFIXES). Set to 0 to turn off and match
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Python 3.2+ configparser behaviour. */
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#ifndef INI_ALLOW_INLINE_COMMENTS
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#define INI_ALLOW_INLINE_COMMENTS 1
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#endif
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#ifndef INI_INLINE_COMMENT_PREFIXES
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#define INI_INLINE_COMMENT_PREFIXES ";"
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#endif
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/* Nonzero to use stack for line buffer, zero to use heap (malloc/free). */
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#ifndef INI_USE_STACK
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#define INI_USE_STACK 1
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#endif
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/* Maximum line length for any line in INI file (stack or heap). Note that
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this must be 3 more than the longest line (due to '\r', '\n', and '\0'). */
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#ifndef INI_MAX_LINE
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#define INI_MAX_LINE 200
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#endif
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/* Nonzero to allow heap line buffer to grow via realloc(), zero for a
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fixed-size buffer of INI_MAX_LINE bytes. Only applies if INI_USE_STACK is
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zero. */
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#ifndef INI_ALLOW_REALLOC
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#define INI_ALLOW_REALLOC 0
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#endif
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/* Initial size in bytes for heap line buffer. Only applies if INI_USE_STACK
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is zero. */
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#ifndef INI_INITIAL_ALLOC
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#define INI_INITIAL_ALLOC 200
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#endif
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/* Stop parsing on first error (default is to keep parsing). */
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#ifndef INI_STOP_ON_FIRST_ERROR
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#define INI_STOP_ON_FIRST_ERROR 0
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#endif
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/* Nonzero to call the handler at the start of each new section (with
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name and value NULL). Default is to only call the handler on
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each name=value pair. */
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#ifndef INI_CALL_HANDLER_ON_NEW_SECTION
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#define INI_CALL_HANDLER_ON_NEW_SECTION 0
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#endif
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/* Nonzero to allow a name without a value (no '=' or ':' on the line) and
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call the handler with value NULL in this case. Default is to treat
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no-value lines as an error. */
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#ifndef INI_ALLOW_NO_VALUE
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#define INI_ALLOW_NO_VALUE 0
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INI_H__ */
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@@ -0,0 +1,80 @@
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/* Copyright (C) 2019 Nunuhara Cabbage <nunuhara@haniwa.technology>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://gnu.org/licenses/>.
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*/
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#ifndef SYSTEM4_INI_H
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#define SYSTEM4_INI_H
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#include <stddef.h>
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struct string;
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enum ini_value_type {
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INI_NULL,
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INI_INTEGER,
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INI_BOOLEAN,
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INI_STRING,
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INI_LIST,
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_INI_LIST_ENTRY,
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INI_NR_TYPES
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};
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struct ini_value {
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enum ini_value_type type;
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union {
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int i;
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struct string *s;
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struct {
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size_t list_size;
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struct ini_value *list;
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};
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struct {
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size_t _list_pos;
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struct ini_value *_list_value;
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};
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};
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};
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struct ini_entry {
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struct string *name;
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struct ini_value value;
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};
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struct ini_entry *ini_parse(const char *path, size_t *nr_entries);
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struct ini_entry *ini_make_entry(struct string *name, struct ini_value value);
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void ini_free_entry(struct ini_entry *entry);
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static inline struct ini_value ini_make_integer(int n)
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{
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return (struct ini_value) { .type = INI_INTEGER, .i = n };
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}
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static inline struct ini_value ini_make_boolean(int b)
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{
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return (struct ini_value) { .type = INI_BOOLEAN, .i = !!b };
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}
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static inline struct ini_value ini_make_string(struct string *s)
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{
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return (struct ini_value) { .type = INI_STRING, .s = s };
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}
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static inline struct ini_value ini_make_list(struct ini_value *values, size_t nr_values)
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{
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return (struct ini_value) { .type = INI_LIST, .list = values, .list_size = nr_values };
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}
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#endif /* SYSTEM4_INI_H */
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