Refactor snapshot support

The snapshot support needs to be split between output- and config-related
functions to get the layering between shared.c and ui-*.c right. There
is also some codestyle-issues which needs fixing to make the snapshot
functions more similar to the rest of the cgit code.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
This commit is contained in:
Lars Hjemli 2008-03-24 16:00:27 +01:00
parent e0e4478e7b
commit f34478cbe0
4 changed files with 91 additions and 87 deletions

8
cgit.h
View File

@ -177,10 +177,18 @@ struct cgit_context {
struct cgit_page page;
};
struct cgit_snapshot_format {
const char *suffix;
const char *mimetype;
write_archive_fn_t write_func;
int bit;
};
extern const char *cgit_version;
extern struct cgit_repolist cgit_repolist;
extern struct cgit_context ctx;
extern const struct cgit_snapshot_format cgit_snapshot_formats[];
extern int cgit_cmd;
extern void cgit_prepare_context(struct cgit_context *ctx);

View File

@ -479,3 +479,30 @@ void cgit_diff_commit(struct commit *commit, filepair_fn fn)
old_sha1 = commit->parents->item->object.sha1;
cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL);
}
int cgit_parse_snapshots_mask(const char *str)
{
const struct cgit_snapshot_format *f;
static const char *delim = " \t,:/|;";
int tl, sl, rv = 0;
/* favor legacy setting */
if(atoi(str))
return 1;
for(;;) {
str += strspn(str,delim);
tl = strcspn(str,delim);
if (!tl)
break;
for (f = cgit_snapshot_formats; f->suffix; f++) {
sl = strlen(f->suffix);
if((tl == sl && !strncmp(f->suffix, str, tl)) ||
(tl == sl-1 && !strncmp(f->suffix+1, str, tl-1))) {
rv |= f->bit;
break;
}
}
str += tl;
}
return rv;
}

View File

@ -573,4 +573,19 @@ void cgit_print_filemode(unsigned short mode)
html_fileperm(mode);
}
/* vim:set sw=8: */
void cgit_print_snapshot_links(const char *repo, const char *head,
const char *hex, int snapshots)
{
const struct cgit_snapshot_format* f;
char *filename;
for (f = cgit_snapshot_formats; f->suffix; f++) {
if (!(snapshots & f->bit))
continue;
filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
f->suffix);
cgit_snapshot_link(filename, NULL, NULL, (char *)head,
(char *)hex, filename);
html("<br/>");
}
}

View File

@ -55,105 +55,59 @@ static int write_tar_bzip2_archive(struct archiver_args *args)
return write_compressed_tar_archive(args,"bzip2");
}
static const struct snapshot_archive_t {
const char *suffix;
const char *mimetype;
write_archive_fn_t write_func;
int bit;
} snapshot_archives[] = {
const struct cgit_snapshot_format cgit_snapshot_formats[] = {
{ ".zip", "application/x-zip", write_zip_archive, 0x1 },
{ ".tar.gz", "application/x-tar", write_tar_gzip_archive, 0x2 },
{ ".tar.bz2", "application/x-tar", write_tar_bzip2_archive, 0x4 },
{ ".tar", "application/x-tar", write_tar_archive, 0x8 }
{ ".tar", "application/x-tar", write_tar_archive, 0x8 },
{}
};
#define snapshot_archives_len (sizeof(snapshot_archives) / sizeof(*snapshot_archives))
static int make_snapshot(const struct cgit_snapshot_format *format,
const char *hex, const char *prefix,
const char *filename)
{
struct archiver_args args;
struct commit *commit;
unsigned char sha1[20];
if(get_sha1(hex, sha1)) {
cgit_print_error(fmt("Bad object id: %s", hex));
return 1;
}
commit = lookup_commit_reference(sha1);
if(!commit) {
cgit_print_error(fmt("Not a commit reference: %s", hex));
return 1;
}
memset(&args, 0, sizeof(args));
args.base = fmt("%s/", prefix);
args.tree = commit->tree;
args.time = commit->date;
ctx.page.mimetype = xstrdup(format->mimetype);
ctx.page.filename = xstrdup(filename);
cgit_print_http_headers(&ctx);
format->write_func(&args);
return 0;
}
void cgit_print_snapshot(const char *head, const char *hex, const char *prefix,
const char *filename, int snapshots)
{
const struct snapshot_archive_t* sat;
struct archiver_args args;
struct commit *commit;
unsigned char sha1[20];
int f, sl, fnl = strlen(filename);
const struct cgit_snapshot_format* f;
int sl, fnl;
for(f=0; f<snapshot_archives_len; f++) {
sat = &snapshot_archives[f];
if(!(snapshots & sat->bit))
fnl = strlen(filename);
if (!hex)
hex = head;
for (f = cgit_snapshot_formats; f->suffix; f++) {
if (!(snapshots & f->bit))
continue;
sl = strlen(sat->suffix);
if(fnl<sl || strcmp(&filename[fnl-sl],sat->suffix))
sl = strlen(f->suffix);
if(fnl < sl || strcmp(&filename[fnl-sl], f->suffix))
continue;
if (!hex)
hex = head;
if(get_sha1(hex, sha1)) {
cgit_print_error(fmt("Bad object id: %s", hex));
return;
}
commit = lookup_commit_reference(sha1);
if(!commit) {
cgit_print_error(fmt("Not a commit reference: %s", hex));
return;;
}
memset(&args,0,sizeof(args));
args.base = fmt("%s/", prefix);
args.tree = commit->tree;
args.time = commit->date;
ctx.page.mimetype = xstrdup(sat->mimetype);
ctx.page.filename = xstrdup(filename);
cgit_print_http_headers(&ctx);
(*sat->write_func)(&args);
make_snapshot(f, hex, prefix, filename);
return;
}
cgit_print_error(fmt("Unsupported snapshot format: %s", filename));
}
void cgit_print_snapshot_links(const char *repo, const char *head,
const char *hex, int snapshots)
{
const struct snapshot_archive_t* sat;
char *filename;
int f;
for(f=0; f<snapshot_archives_len; f++) {
sat = &snapshot_archives[f];
if(!(snapshots & sat->bit))
continue;
filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
sat->suffix);
cgit_snapshot_link(filename, NULL, NULL, (char *)head,
(char *)hex, filename);
html("<br/>");
}
}
int cgit_parse_snapshots_mask(const char *str)
{
const struct snapshot_archive_t* sat;
static const char *delim = " \t,:/|;";
int f, tl, sl, rv = 0;
/* favor legacy setting */
if(atoi(str))
return 1;
for(;;) {
str += strspn(str,delim);
tl = strcspn(str,delim);
if(!tl)
break;
for(f=0; f<snapshot_archives_len; f++) {
sat = &snapshot_archives[f];
sl = strlen(sat->suffix);
if((tl == sl && !strncmp(sat->suffix, str, tl)) ||
(tl == sl-1 && !strncmp(sat->suffix+1, str, tl-1))) {
rv |= sat->bit;
break;
}
}
str += tl;
}
return rv;
}
/* vim:set sw=8: */