cgit.h

   1 #ifndef CGIT_H
   2 #define CGIT_H
   3
   4
   5 #include <git-compat-util.h>
   6 #include <stdbool.h>
   7
   8 #include <cache.h>
   9 #include <grep.h>
  10 #include <object.h>
  11 #include <tree.h>
  12 #include <commit.h>
  13 #include <tag.h>
  14 #include <diff.h>
  15 #include <diffcore.h>
  16 #include <argv-array.h>
  17 #include <refs.h>
  18 #include <revision.h>
  19 #include <log-tree.h>
  20 #include <archive.h>
  21 #include <string-list.h>
  22 #include <xdiff-interface.h>
  23 #include <xdiff/xdiff.h>
  24 #include <utf8.h>
  25 #include <notes.h>
  26 #include <graph.h>
  27
  28 /* Add isgraph(x) to Git's sane ctype support (see git-compat-util.h) */
  29 #undef isgraph
  30 #define isgraph(x) (isprint((x)) && !isspace((x)))
  31
  32
  33 /*
  34  * Limits used for relative dates
  35  */
  36 #define TM_MIN    60
  37 #define TM_HOUR  (TM_MIN * 60)
  38 #define TM_DAY   (TM_HOUR * 24)
  39 #define TM_WEEK  (TM_DAY * 7)
  40 #define TM_YEAR  (TM_DAY * 365)
  41 #define TM_MONTH (TM_YEAR / 12.0)
  42
  43
  44 /*
  45  * Default encoding
  46  */
  47 #define PAGE_ENCODING "UTF-8"
  48
  49 #define BIT(x)  (1U << (x))
  50
  51 typedef void (*configfn)(const char *name, const char *value);
  52 typedef void (*filepair_fn)(struct diff_filepair *pair);
  53 typedef void (*linediff_fn)(char *line, int len);
  54
  55 typedef enum {
  56         DIFF_UNIFIED, DIFF_SSDIFF, DIFF_STATONLY
  57 } diff_type;
  58
  59 typedef enum {
  60         ABOUT, COMMIT, SOURCE, EMAIL, AUTH, OWNER
  61 } filter_type;
  62
  63 struct cgit_filter {
  64         int (*open)(struct cgit_filter *, va_list ap);
  65         int (*close)(struct cgit_filter *);
  66         void (*fprintf)(struct cgit_filter *, FILE *, const char *prefix);
  67         void (*cleanup)(struct cgit_filter *);
  68         int argument_count;
  69 };
  70
  71 struct cgit_exec_filter {
  72         struct cgit_filter base;
  73         char *cmd;
  74         char **argv;
  75         int old_stdout;
  76         int pid;
  77 };
  78
  79 struct cgit_repo {
  80         char *url;
  81         char *name;
  82         char *path;
  83         char *desc;
  84         char *owner;
  85         char *homepage;
  86         char *defbranch;
  87         char *module_link;
  88         struct string_list readme;
  89         char *section;
  90         char *clone_url;
  91         char *logo;
  92         char *logo_link;
  93         char *snapshot_prefix;
  94         int snapshots;
  95         int enable_commit_graph;
  96         int enable_log_filecount;
  97         int enable_log_linecount;
  98         int enable_remote_branches;
  99         int enable_subject_links;
 100         int enable_html_serving;
 101         int max_stats;
 102         int branch_sort;
 103         int commit_sort;
 104         time_t mtime;
 105         struct cgit_filter *about_filter;
 106         struct cgit_filter *commit_filter;
 107         struct cgit_filter *source_filter;
 108         struct cgit_filter *email_filter;
 109         struct cgit_filter *owner_filter;
 110         struct string_list submodules;
 111         int hide;
 112         int ignore;
 113 };
 114
 115 typedef void (*repo_config_fn)(struct cgit_repo *repo, const char *name,
 116               const char *value);
 117
 118 struct cgit_repolist {
 119         int length;
 120         int count;
 121         struct cgit_repo *repos;
 122 };
 123
 124 struct commitinfo {
 125         struct commit *commit;
 126         char *author;
 127         char *author_email;
 128         unsigned long author_date;
 129         int author_tz;
 130         char *committer;
 131         char *committer_email;
 132         unsigned long committer_date;
 133         int committer_tz;
 134         char *subject;
 135         char *msg;
 136         char *msg_encoding;
 137 };
 138
 139 struct taginfo {
 140         char *tagger;
 141         char *tagger_email;
 142         unsigned long tagger_date;
 143         int tagger_tz;
 144         char *msg;
 145 };
 146
 147 struct refinfo {
 148         const char *refname;
 149         struct object *object;
 150         union {
 151                 struct taginfo *tag;
 152                 struct commitinfo *commit;
 153         };
 154 };
 155
 156 struct reflist {
 157         struct refinfo **refs;
 158         int alloc;
 159         int count;
 160 };
 161
 162 struct cgit_query {
 163         int has_symref;
 164         int has_sha1;
 165         int has_difftype;
 166         char *raw;
 167         char *repo;
 168         char *page;
 169         char *search;
 170         char *grep;
 171         char *head;
 172         char *sha1;
 173         char *sha2;
 174         char *path;
 175         char *name;
 176         char *url;
 177         char *period;
 178         int   ofs;
 179         int nohead;
 180         char *sort;
 181         int showmsg;
 182         diff_type difftype;
 183         int show_all;
 184         int context;
 185         int ignorews;
 186         int follow;
 187         char *vpath;
 188 };
 189
 190 struct cgit_config {
 191         char *agefile;
 192         char *cache_root;
 193         char *clone_prefix;
 194         char *clone_url;
 195         char *css;
 196         char *favicon;
 197         char *footer;
 198         char *head_include;
 199         char *header;
 200         char *index_header;
 201         char *index_info;
 202         char *logo;
 203         char *logo_link;
 204         char *mimetype_file;
 205         char *module_link;
 206         char *project_list;
 207         struct string_list readme;
 208         char *robots;
 209         char *root_title;
 210         char *root_desc;
 211         char *root_readme;
 212         char *script_name;
 213         char *section;
 214         char *repository_sort;
 215         char *virtual_root;     /* Always ends with '/'. */
 216         char *strict_export;
 217         int cache_size;
 218         int cache_dynamic_ttl;
 219         int cache_max_create_time;
 220         int cache_repo_ttl;
 221         int cache_root_ttl;
 222         int cache_scanrc_ttl;
 223         int cache_static_ttl;
 224         int cache_about_ttl;
 225         int cache_snapshot_ttl;
 226         int case_sensitive_sort;
 227         int embedded;
 228         int enable_filter_overrides;
 229         int enable_follow_links;
 230         int enable_http_clone;
 231         int enable_index_links;
 232         int enable_index_owner;
 233         int enable_blame;
 234         int enable_commit_graph;
 235         int enable_log_filecount;
 236         int enable_log_linecount;
 237         int enable_remote_branches;
 238         int enable_subject_links;
 239         int enable_html_serving;
 240         int enable_tree_linenumbers;
 241         int enable_git_config;
 242         int local_time;
 243         int max_atom_items;
 244         int max_repo_count;
 245         int max_commit_count;
 246         int max_lock_attempts;
 247         int max_msg_len;
 248         int max_repodesc_len;
 249         int max_blob_size;
 250         int max_stats;
 251         int nocache;
 252         int noplainemail;
 253         int noheader;
 254         int renamelimit;
 255         int remove_suffix;
 256         int scan_hidden_path;
 257         int section_from_path;
 258         int snapshots;
 259         int section_sort;
 260         int summary_branches;
 261         int summary_log;
 262         int summary_tags;
 263         diff_type difftype;
 264         int branch_sort;
 265         int commit_sort;
 266         struct string_list mimetypes;
 267         struct cgit_filter *about_filter;
 268         struct cgit_filter *commit_filter;
 269         struct cgit_filter *source_filter;
 270         struct cgit_filter *email_filter;
 271         struct cgit_filter *owner_filter;
 272         struct cgit_filter *auth_filter;
 273 };
 274
 275 struct cgit_page {
 276         time_t modified;
 277         time_t expires;
 278         size_t size;
 279         const char *mimetype;
 280         const char *charset;
 281         const char *filename;
 282         const char *etag;
 283         const char *title;
 284         int status;
 285         const char *statusmsg;
 286 };
 287
 288 struct cgit_environment {
 289         const char *cgit_config;
 290         const char *http_host;
 291         const char *https;
 292         const char *no_http;
 293         const char *path_info;
 294         const char *query_string;
 295         const char *request_method;
 296         const char *script_name;
 297         const char *server_name;
 298         const char *server_port;
 299         const char *http_cookie;
 300         const char *http_referer;
 301         unsigned int content_length;
 302         int authenticated;
 303 };
 304
 305 struct cgit_context {
 306         struct cgit_environment env;
 307         struct cgit_query qry;
 308         struct cgit_config cfg;
 309         struct cgit_repo *repo;
 310         struct cgit_page page;
 311 };
 312
 313 typedef int (*write_archive_fn_t)(const char *, const char *);
 314
 315 struct cgit_snapshot_format {
 316         const char *suffix;
 317         const char *mimetype;
 318         write_archive_fn_t write_func;
 319 };
 320
 321 extern const char *cgit_version;
 322
 323 extern struct cgit_repolist cgit_repolist;
 324 extern struct cgit_context ctx;
 325 extern const struct cgit_snapshot_format cgit_snapshot_formats[];
 326
 327 extern char *cgit_default_repo_desc;
 328 extern struct cgit_repo *cgit_add_repo(const char *url);
 329 extern struct cgit_repo *cgit_get_repoinfo(const char *url);
 330 extern void cgit_repo_config_cb(const char *name, const char *value);
 331
 332 extern int chk_zero(int result, char *msg);
 333 extern int chk_positive(int result, char *msg);
 334 extern int chk_non_negative(int result, char *msg);
 335
 336 extern char *trim_end(const char *str, char c);
 337 extern char *ensure_end(const char *str, char c);
 338
 339 extern void strbuf_ensure_end(struct strbuf *sb, char c);
 340
 341 extern void cgit_add_ref(struct reflist *list, struct refinfo *ref);
 342 extern void cgit_free_reflist_inner(struct reflist *list);
 343 extern int cgit_refs_cb(const char *refname, const struct object_id *oid,
 344                         int flags, void *cb_data);
 345
 346 extern void cgit_free_commitinfo(struct commitinfo *info);
 347 extern void cgit_free_taginfo(struct taginfo *info);
 348
 349 void cgit_diff_tree_cb(struct diff_queue_struct *q,
 350                        struct diff_options *options, void *data);
 351
 352 extern int cgit_diff_files(const struct object_id *old_oid,
 353                            const struct object_id *new_oid,
 354                            unsigned long *old_size, unsigned long *new_size,
 355                            int *binary, int context, int ignorews,
 356                            linediff_fn fn);
 357
 358 extern void cgit_diff_tree(const struct object_id *old_oid,
 359                            const struct object_id *new_oid,
 360                            filepair_fn fn, const char *prefix, int ignorews);
 361
 362 extern void cgit_diff_commit(struct commit *commit, filepair_fn fn,
 363                              const char *prefix);
 364
 365 __attribute__((format (printf,1,2)))
 366 extern char *fmt(const char *format,...);
 367
 368 __attribute__((format (printf,1,2)))
 369 extern char *fmtalloc(const char *format,...);
 370
 371 extern struct commitinfo *cgit_parse_commit(struct commit *commit);
 372 extern struct taginfo *cgit_parse_tag(struct tag *tag);
 373 extern void cgit_parse_url(const char *url);
 374
 375 extern const char *cgit_repobasename(const char *reponame);
 376
 377 extern int cgit_parse_snapshots_mask(const char *str);
 378 extern const struct object_id *cgit_snapshot_get_sig(const char *ref,
 379                                                      const struct cgit_snapshot_format *f);
 380 extern const unsigned cgit_snapshot_format_bit(const struct cgit_snapshot_format *f);
 381
 382 extern int cgit_open_filter(struct cgit_filter *filter, ...);
 383 extern int cgit_close_filter(struct cgit_filter *filter);
 384 extern void cgit_fprintf_filter(struct cgit_filter *filter, FILE *f, const char *prefix);
 385 extern void cgit_exec_filter_init(struct cgit_exec_filter *filter, char *cmd, char **argv);
 386 extern struct cgit_filter *cgit_new_filter(const char *cmd, filter_type filtertype);
 387 extern void cgit_cleanup_filters(void);
 388 extern void cgit_init_filters(void);
 389
 390 extern void cgit_prepare_repo_env(struct cgit_repo * repo);
 391
 392 extern int readfile(const char *path, char **buf, size_t *size);
 393
 394 extern char *expand_macros(const char *txt);
 395
 396 extern char *get_mimetype_for_filename(const char *filename);
 397
 398 #endif /* CGIT_H */