thodg/libgit2/src/attr_file.h

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• Hash : 14a513e0
  Author :
  Date : 2012-04-13T15:00:29
  

  Add support for pathspec to diff and status
  
  This adds preliminary support for pathspecs to diff and status.
  The implementation is not very optimized (it still looks at
  every single file and evaluated the the pathspec match against
  them), but it works.
  

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• src/attr_file.h

• /*
   * Copyright (C) 2009-2012 the libgit2 contributors
   *
   * This file is part of libgit2, distributed under the GNU GPL v2 with
   * a Linking Exception. For full terms see the included COPYING file.
   */
  #ifndef INCLUDE_attr_file_h__
  #define INCLUDE_attr_file_h__
  
  #include "git2/attr.h"
  #include "vector.h"
  #include "hashtable.h"
  
  #define GIT_ATTR_FILE			".gitattributes"
  #define GIT_ATTR_FILE_INREPO	"info/attributes"
  #define GIT_ATTR_FILE_SYSTEM	"gitattributes"
  
  #define GIT_ATTR_FNMATCH_NEGATIVE	(1U << 0)
  #define GIT_ATTR_FNMATCH_DIRECTORY	(1U << 1)
  #define GIT_ATTR_FNMATCH_FULLPATH	(1U << 2)
  #define GIT_ATTR_FNMATCH_MACRO		(1U << 3)
  #define GIT_ATTR_FNMATCH_IGNORE		(1U << 4)
  #define GIT_ATTR_FNMATCH_HASWILD	(1U << 5)
  
  typedef struct {
  	char *pattern;
  	size_t length;
  	unsigned int flags;
  } git_attr_fnmatch;
  
  typedef struct {
  	git_attr_fnmatch match;
  	git_vector assigns;		/* vector of <git_attr_assignment*> */
  } git_attr_rule;
  
  typedef struct {
  	git_refcount unused;
  	const char *name;
      unsigned long name_hash;
  } git_attr_name;
  
  typedef struct {
  	git_refcount rc;		/* for macros */
  	char *name;
      unsigned long name_hash;
      const char *value;
  	int is_allocated;
  } git_attr_assignment;
  
  typedef struct {
  	char *path;				/* cache the path this was loaded from */
  	git_vector rules;		/* vector of <rule*> or <fnmatch*> */
  } git_attr_file;
  
  typedef struct {
  	const char *path;
  	const char *basename;
  	int is_dir;
  } git_attr_path;
  
  /*
   * git_attr_file API
   */
  
  extern int git_attr_file__new(git_attr_file **attrs_ptr);
  extern void git_attr_file__free(git_attr_file *file);
  
  extern int git_attr_file__from_buffer(
  	git_repository *repo, const char *buf, git_attr_file *file);
  extern int git_attr_file__from_file(
  	git_repository *repo, const char *path, git_attr_file *file);
  
  extern int git_attr_file__set_path(
  	git_repository *repo, const char *path, git_attr_file *file);
  
  extern int git_attr_file__lookup_one(
  	git_attr_file *file,
  	const git_attr_path *path,
  	const char *attr,
  	const char **value);
  
  /* loop over rules in file from bottom to top */
  #define git_attr_file__foreach_matching_rule(file, path, iter, rule)	\
  	git_vector_rforeach(&(file)->rules, (iter), (rule)) \
  		if (git_attr_rule__match((rule), (path)))
  
  extern unsigned long git_attr_file__name_hash(const char *name);
  
  
  /*
   * other utilities
   */
  
  extern int git_attr_fnmatch__parse(
  	git_attr_fnmatch *spec,
  	const char *source,
  	const char **base);
  
  extern bool git_attr_fnmatch__match(
  	git_attr_fnmatch *rule,
  	const git_attr_path *path);
  
  extern void git_attr_rule__free(git_attr_rule *rule);
  
  extern bool git_attr_rule__match(
  	git_attr_rule *rule,
  	const git_attr_path *path);
  
  extern git_attr_assignment *git_attr_rule__lookup_assignment(
  	git_attr_rule *rule, const char *name);
  
  extern int git_attr_path__init(
  	git_attr_path *info, const char *path, const char *base);
  
  extern int git_attr_assignment__parse(
  	git_repository *repo, /* needed to expand macros */
  	git_vector *assigns,
  	const char **scan);
  
  #endif
  

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