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 typedef void (*configfn)(const char *name, const char *value);
  50 typedef void (*filepair_fn)(struct diff_filepair *pair);
  51 typedef void (*linediff_fn)(char *line, int len);
  52
  53 typedef enum {
  54         DIFF_UNIFIED, DIFF_SSDIFF, DIFF_STATONLY
  55 } diff_type;
  56
  57 typedef enum {
  58         ABOUT, COMMIT, SOURCE, EMAIL, AUTH, OWNER
  59 } filter_type;
  60
  61 struct cgit_filter {
  62         int (*open)(struct cgit_filter *, va_list ap);
  63         int (*close)(struct cgit_filter *);
  64         void (*fprintf)(struct cgit_filter *, FILE *, const char *prefix);
  65         void (*cleanup)(struct cgit_filter *);
  66         int argument_count;
  67 };
  68
  69 struct cgit_exec_filter {
  70         struct cgit_filter base;
  71         char *cmd;
  72         char **argv;
  73         int old_stdout;
  74         int pipe_fh[2];
  75         int pid;
  76 };
  77
  78 struct cgit_repo {
  79         char *url;
  80         char *name;
  81         char *path;
  82         char *desc;
  83         char *owner;
  84         char *homepage;
  85         char *defbranch;
  86         char *module_link;
  87         struct string_list readme;
  88         char *section;
  89         char *clone_url;
  90         char *logo;
  91         char *logo_link;
  92         int snapshots;
  93         int enable_commit_graph;
  94         int enable_log_filecount;
  95         int enable_log_linecount;
  96         int enable_remote_branches;
  97         int enable_subject_links;
  98         int enable_html_serving;
  99         int max_stats;
 100         int branch_sort;
 101         int commit_sort;
 102         time_t mtime;
 103         struct cgit_filter *about_filter;
 104         struct cgit_filter *commit_filter;
 105         struct cgit_filter *source_filter;
 106         struct cgit_filter *email_filter;
 107         struct cgit_filter *owner_filter;
 108         struct string_list submodules;
 109         int hide;
 110         int ignore;
 111 };
 112
 113 typedef void (*repo_config_fn)(struct cgit_repo *repo, const char *name,
 114               const char *value);
 115
 116 struct cgit_repolist {
 117         int length;
 118         int count;
 119         struct cgit_repo *repos;
 120 };
 121
 122 struct commitinfo {
 123         struct commit *commit;
 124         char *author;
 125         char *author_email;
 126         unsigned long author_date;
 127         int author_tz;
 128         char *committer;
 129         char *committer_email;
 130         unsigned long committer_date;
 131         int committer_tz;
 132         char *subject;
 133         char *msg;
 134         char *msg_encoding;
 135 };
 136
 137 struct taginfo {
 138         char *tagger;
 139         char *tagger_email;
 140         unsigned long tagger_date;
 141         int tagger_tz;
 142         char *msg;
 143 };
 144
 145 struct refinfo {
 146         const char *refname;
 147         struct object *object;
 148         union {
 149                 struct taginfo *tag;
 150                 struct commitinfo *commit;
 151         };
 152 };
 153
 154 struct reflist {
 155         struct refinfo **refs;
 156         int alloc;
 157         int count;
 158 };
 159
 160 struct cgit_query {
 161         int has_symref;
 162         int has_sha1;
 163         int has_difftype;
 164         char *raw;
 165         char *repo;
 166         char *page;
 167         char *search;
 168         char *grep;
 169         char *head;
 170         char *sha1;
 171         char *sha2;
 172         char *path;
 173         char *name;
 174         char *url;
 175         char *period;
 176         int   ofs;
 177         int nohead;
 178         char *sort;
 179         int showmsg;
 180         diff_type difftype;
 181         int show_all;
 182         int context;
 183         int ignorews;
 184         int follow;
 185         char *vpath;
 186 };
 187
 188 struct cgit_config {
 189         char *agefile;
 190         char *cache_root;
 191         char *clone_prefix;
 192         char *clone_url;
 193         char *css;
 194         char *favicon;
 195         char *footer;
 196         char *head_include;
 197         char *header;
 198         char *index_header;
 199         char *index_info;
 200         char *logo;
 201         char *logo_link;
 202         char *mimetype_file;
 203         char *module_link;
 204         char *project_list;
 205         struct string_list readme;
 206         char *robots;
 207         char *root_title;
 208         char *root_desc;
 209         char *root_readme;
 210         char *script_name;
 211         char *section;
 212         char *repository_sort;
 213         char *virtual_root;     /* Always ends with '/'. */
 214         char *strict_export;
 215         int cache_size;
 216         int cache_dynamic_ttl;
 217         int cache_max_create_time;
 218         int cache_repo_ttl;
 219         int cache_root_ttl;
 220         int cache_scanrc_ttl;
 221         int cache_static_ttl;
 222         int cache_about_ttl;
 223         int cache_snapshot_ttl;
 224         int case_sensitive_sort;
 225         int embedded;
 226         int enable_filter_overrides;
 227         int enable_follow_links;
 228         int enable_http_clone;
 229         int enable_index_links;
 230         int enable_index_owner;
 231         int enable_commit_graph;
 232         int enable_log_filecount;
 233         int enable_log_linecount;
 234         int enable_remote_branches;
 235         int enable_subject_links;
 236         int enable_html_serving;
 237         int enable_tree_linenumbers;
 238         int enable_git_config;
 239         int local_time;
 240         int max_atom_items;
 241         int max_repo_count;
 242         int max_commit_count;
 243         int max_lock_attempts;
 244         int max_msg_len;
 245         int max_repodesc_len;
 246         int max_blob_size;
 247         int max_stats;
 248         int nocache;
 249         int noplainemail;
 250         int noheader;
 251         int renamelimit;
 252         int remove_suffix;
 253         int scan_hidden_path;
 254         int section_from_path;
 255         int snapshots;
 256         int section_sort;
 257         int summary_branches;
 258         int summary_log;
 259         int summary_tags;
 260         diff_type difftype;
 261         int branch_sort;
 262         int commit_sort;
 263         struct string_list mimetypes;
 264         struct cgit_filter *about_filter;
 265         struct cgit_filter *commit_filter;
 266         struct cgit_filter *source_filter;
 267         struct cgit_filter *email_filter;
 268         struct cgit_filter *owner_filter;
 269         struct cgit_filter *auth_filter;
 270 };
 271
 272 struct cgit_page {
 273         time_t modified;
 274         time_t expires;
 275         size_t size;
 276         const char *mimetype;
 277         const char *charset;
 278         const char *filename;
 279         const char *etag;
 280         const char *title;
 281         int status;
 282         const char *statusmsg;
 283 };
 284
 285 struct cgit_environment {
 286         const char *cgit_config;
 287         const char *http_host;
 288         const char *https;
 289         const char *no_http;
 290         const char *path_info;
 291         const char *query_string;
 292         const char *request_method;
 293         const char *script_name;
 294         const char *server_name;
 295         const char *server_port;
 296         const char *http_cookie;
 297         const char *http_referer;
 298         unsigned int content_length;
 299         int authenticated;
 300 };
 301
 302 struct cgit_context {
 303         struct cgit_environment env;
 304         struct cgit_query qry;
 305         struct cgit_config cfg;
 306         struct cgit_repo *repo;
 307         struct cgit_page page;
 308 };
 309
 310 typedef int (*write_archive_fn_t)(const char *, const char *);
 311
 312 struct cgit_snapshot_format {
 313         const char *suffix;
 314         const char *mimetype;
 315         write_archive_fn_t write_func;
 316         int bit;
 317 };
 318
 319 extern const char *cgit_version;
 320
 321 extern struct cgit_repolist cgit_repolist;
 322 extern struct cgit_context ctx;
 323 extern const struct cgit_snapshot_format cgit_snapshot_formats[];
 324
 325 extern char *cgit_default_repo_desc;
 326 extern struct cgit_repo *cgit_add_repo(const char *url);
 327 extern struct cgit_repo *cgit_get_repoinfo(const char *url);
 328 extern void cgit_repo_config_cb(const char *name, const char *value);
 329
 330 extern int chk_zero(int result, char *msg);
 331 extern int chk_positive(int result, char *msg);
 332 extern int chk_non_negative(int result, char *msg);
 333
 334 extern char *trim_end(const char *str, char c);
 335 extern char *ensure_end(const char *str, char c);
 336 extern char *strlpart(char *txt, int maxlen);
 337 extern char *strrpart(char *txt, int maxlen);
 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
 348 void cgit_diff_tree_cb(struct diff_queue_struct *q,
 349                        struct diff_options *options, void *data);
 350
 351 extern int cgit_diff_files(const unsigned char *old_sha1,
 352                            const unsigned char *new_sha1,
 353                            unsigned long *old_size, unsigned long *new_size,
 354                            int *binary, int context, int ignorews,
 355                            linediff_fn fn);
 356
 357 extern void cgit_diff_tree(const unsigned char *old_sha1,
 358                            const unsigned char *new_sha1,
 359                            filepair_fn fn, const char *prefix, int ignorews);
 360
 361 extern void cgit_diff_commit(struct commit *commit, filepair_fn fn,
 362                              const char *prefix);
 363
 364 __attribute__((format (printf,1,2)))
 365 extern char *fmt(const char *format,...);
 366
 367 __attribute__((format (printf,1,2)))
 368 extern char *fmtalloc(const char *format,...);
 369
 370 extern struct commitinfo *cgit_parse_commit(struct commit *commit);
 371 extern struct taginfo *cgit_parse_tag(struct tag *tag);
 372 extern void cgit_parse_url(const char *url);
 373
 374 extern const char *cgit_repobasename(const char *reponame);
 375
 376 extern int cgit_parse_snapshots_mask(const char *str);
 377
 378 extern int cgit_open_filter(struct cgit_filter *filter, ...);
 379 extern int cgit_close_filter(struct cgit_filter *filter);
 380 extern void cgit_fprintf_filter(struct cgit_filter *filter, FILE *f, const char *prefix);
 381 extern void cgit_exec_filter_init(struct cgit_exec_filter *filter, char *cmd, char **argv);
 382 extern struct cgit_filter *cgit_new_filter(const char *cmd, filter_type filtertype);
 383 extern void cgit_cleanup_filters(void);
 384 extern void cgit_init_filters(void);
 385
 386 extern void cgit_prepare_repo_env(struct cgit_repo * repo);
 387
 388 extern int readfile(const char *path, char **buf, size_t *size);
 389
 390 extern char *expand_macros(const char *txt);
 391
 392 extern char *get_mimetype_for_filename(const char *filename);
 393
 394 #endif /* CGIT_H */