File indexing completed on 2024-05-12 04:33:37

 /*
     SPDX-FileCopyrightText: 2008-2017 jerome DOT laurens AT u-bourgogne DOT fr
     SPDX-License-Identifier: X11
 
     This file is part of the __SyncTeX__ package.
 
     [//]: # (Latest Revision: Fri Jul 14 16:20:41 UTC 2017)
     [//]: # (Version: 1.19)
 
     See `synctex_parser_readme.md` for more details
 */
 
 #ifndef SYNCTEX_PARSER_UTILS_H
 #define SYNCTEX_PARSER_UTILS_H
 
 /*  The utilities declared here are subject to conditional implementation.
  *  All the operating system special stuff goes here.
  *  The problem mainly comes from file name management: path separator, encoding...
  */
 
 typedef int synctex_bool_t;
 #define synctex_YES (0 == 0)
 #define synctex_NO (0 == 1)
 
 #define synctex_ADD_QUOTES -1
 #define synctex_COMPRESS -1
 #define synctex_DONT_ADD_QUOTES 0
 #define synctex_DONT_COMPRESS 0
 
 #ifndef __SYNCTEX_PARSER_UTILS__
 #define __SYNCTEX_PARSER_UTILS__
 
 #include <stdlib.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #if defined(_WIN32) || defined(__OS2__)
 #define SYNCTEX_CASE_SENSITIVE_PATH 0
 #define SYNCTEX_IS_PATH_SEPARATOR(c) ('/' == c || '\\' == c)
 #else
 #define SYNCTEX_CASE_SENSITIVE_PATH 1
 #define SYNCTEX_IS_PATH_SEPARATOR(c) ('/' == c)
 #endif
 
 #if defined(_WIN32) || defined(__OS2__)
 #define SYNCTEX_IS_DOT(c) ('.' == c)
 #else
 #define SYNCTEX_IS_DOT(c) ('.' == c)
 #endif
 
 #if SYNCTEX_CASE_SENSITIVE_PATH
 #define SYNCTEX_ARE_PATH_CHARACTERS_EQUAL(left, right) (left != right)
 #else
 #define SYNCTEX_ARE_PATH_CHARACTERS_EQUAL(left, right) (toupper(left) != toupper(right))
 #endif
 
 #ifdef __GNUC__
 #define SYNCTEX_PRINTF_FORMAT(si, ftc) __attribute__((format(printf, si, ftc)))
 #else
 #define SYNCTEX_PRINTF_FORMAT(si, ftc)
 #endif
 
 /*  This custom malloc functions initializes to 0 the newly allocated memory.
  *  There is no bzero function on windows. */
 void *_synctex_malloc(size_t size);
 
 /*  To balance _synctex_malloc.
  *  ptr might be NULL.   */
 void _synctex_free(void *ptr);
 
 /*  This is used to log some informational message to the standard error stream.
  *  On Windows, the stderr stream is not exposed and another method is used.
  *  The return value is the number of characters printed.   */
 int _synctex_error(const char *reason, ...) SYNCTEX_PRINTF_FORMAT(1, 2);
 int _synctex_debug(const char *reason, ...) SYNCTEX_PRINTF_FORMAT(1, 2);
 
 /*  strip the last extension of the given string, this string is modified!
  *  This function depends on the OS because the path separator may differ.
  *  This should be discussed more precisely. */
 void _synctex_strip_last_path_extension(char *string);
 
 /*  Compare two file names, windows is sometimes case insensitive...
  *  The given strings may differ stricto sensu, but represent the same file name.
  *  It might not be the real way of doing things.
  *  The return value is an undefined non 0 value when the two file names are equivalent.
  *  It is 0 otherwise. */
 synctex_bool_t _synctex_is_equivalent_file_name(const char *lhs, const char *rhs);
 
 /*  Description forthcoming.*/
 synctex_bool_t _synctex_path_is_absolute(const char *name);
 
 /*  Description forthcoming...*/
 const char *_synctex_last_path_component(const char *name);
 
 /*  Description forthcoming...*/
 const char *_synctex_base_name(const char *path);
 
 /*  If the core of the last path component of src is not already enclosed with double quotes ('"')
  *  and contains a space character (' '), then a new buffer is created, the src is copied and quotes are added.
  *  In all other cases, no destination buffer is created and the src is not copied.
  *  0 on success, which means no error, something non 0 means error, mainly due to memory allocation failure, or bad parameter.
  *  This is used to fix a bug in the first version of pdftex with synctex (1.40.9) for which names with spaces
  *  were not managed in a standard way.
  *  On success, the caller owns the buffer pointed to by dest_ref (is any) and
  *  is responsible of freeing the memory when done.
  *  The size argument is the size of the src buffer. On return the dest_ref points to a buffer sized size+2.*/
 int _synctex_copy_with_quoting_last_path_component(const char *src, char **dest_ref, size_t size);
 
 /*  These are the possible extensions of the synctex file */
 extern const char *synctex_suffix;
 extern const char *synctex_suffix_gz;
 
 typedef unsigned int synctex_io_mode_t;
 
 typedef enum { synctex_io_append_mask = 1, synctex_io_gz_mask = synctex_io_append_mask << 1 } synctex_io_mode_masks_t;
 
 typedef enum { synctex_compress_mode_none = 0, synctex_compress_mode_gz = 1 } synctex_compress_mode_t;
 
 int _synctex_get_name(const char *output, const char *build_directory, char **synctex_name_ref, synctex_io_mode_t *io_mode_ref);
 
 /*  returns the correct mode required by fopen and gzopen from the given io_mode */
 const char *_synctex_get_io_mode_name(synctex_io_mode_t io_mode);
 
 synctex_bool_t synctex_ignore_leading_dot_slash_in_path(const char **name);
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif
 #endif /* SYNCTEX_PARSER_UTILS_H */