| -rw-r--r-- | parsing.c | 155 |
1 files changed, 94 insertions, 61 deletions
@@ -1,208 +1,241 @@ /* config.c: parsing of config files * * Copyright (C) 2006 Lars Hjemli * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" /* * url syntax: [repo ['/' cmd [ '/' path]]] * repo: any valid repo url, may contain '/' * cmd: log | commit | diff | tree | view | blob | snapshot * path: any valid path, may contain '/' * */ void cgit_parse_url(const char *url) { char *cmd, *p; ctx.repo = NULL; if (!url || url[0] == '\0') return; ctx.repo = cgit_get_repoinfo(url); if (ctx.repo) { ctx.qry.repo = ctx.repo->url; return; } cmd = strchr(url, '/'); while (!ctx.repo && cmd) { cmd[0] = '\0'; ctx.repo = cgit_get_repoinfo(url); if (ctx.repo == NULL) { cmd[0] = '/'; cmd = strchr(cmd + 1, '/'); continue; } ctx.qry.repo = ctx.repo->url; p = strchr(cmd + 1, '/'); if (p) { p[0] = '\0'; if (p[1]) ctx.qry.path = trim_end(p + 1, '/'); } if (cmd[1]) ctx.qry.page = xstrdup(cmd + 1); return; } } char *substr(const char *head, const char *tail) { char *buf; buf = xmalloc(tail - head + 1); strncpy(buf, head, tail - head); buf[tail - head] = '\0'; return buf; } +char *parse_user(char *t, char **name, char **email, unsigned long *date) +{ + char *p = t; + int mode = 1; + + while (p && *p) { + if (mode == 1 && *p == '<') { + *name = substr(t, p - 1); + t = p; + mode++; + } else if (mode == 1 && *p == '\n') { + *name = substr(t, p); + p++; + break; + } else if (mode == 2 && *p == '>') { + *email = substr(t, p + 1); + t = p; + mode++; + } else if (mode == 2 && *p == '\n') { + *email = substr(t, p); + p++; + break; + } else if (mode == 3 && isdigit(*p)) { + *date = atol(p); + mode++; + } else if (*p == '\n') { + p++; + break; + } + p++; + } + return p; +} + +const char *reencode(char **txt, const char *src_enc, const char *dst_enc) +{ + char *tmp; + + if (!txt || !*txt || !src_enc || !dst_enc) + return *txt; + + tmp = reencode_string(*txt, src_enc, dst_enc); + if (tmp) { + free(*txt); + *txt = tmp; + } + return *txt; +} + struct commitinfo *cgit_parse_commit(struct commit *commit) { struct commitinfo *ret; char *p = commit->buffer, *t = commit->buffer; ret = xmalloc(sizeof(*ret)); ret->commit = commit; ret->author = NULL; ret->author_email = NULL; ret->committer = NULL; ret->committer_email = NULL; ret->subject = NULL; ret->msg = NULL; ret->msg_encoding = NULL; if (p == NULL) return ret; if (strncmp(p, "tree ", 5)) die("Bad commit: %s", sha1_to_hex(commit->object.sha1)); else p += 46; // "tree " + hex[40] + "\n" while (!strncmp(p, "parent ", 7)) p += 48; // "parent " + hex[40] + "\n" - if (!strncmp(p, "author ", 7)) { - p += 7; - t = strchr(p, '<') - 1; - ret->author = substr(p, t); - p = t; - t = strchr(t, '>') + 1; - ret->author_email = substr(p, t); - ret->author_date = atol(t+1); - p = strchr(t, '\n') + 1; + if (p && !strncmp(p, "author ", 7)) { + p = parse_user(p + 7, &ret->author, &ret->author_email, + &ret->author_date); } - if (!strncmp(p, "committer ", 9)) { - p += 9; - t = strchr(p, '<') - 1; - ret->committer = substr(p, t); - p = t; - t = strchr(t, '>') + 1; - ret->committer_email = substr(p, t); - ret->committer_date = atol(t+1); - p = strchr(t, '\n') + 1; + if (p && !strncmp(p, "committer ", 9)) { + p = parse_user(p + 9, &ret->committer, &ret->committer_email, + &ret->committer_date); } - if (!strncmp(p, "encoding ", 9)) { + if (p && !strncmp(p, "encoding ", 9)) { p += 9; - t = strchr(p, '\n') + 1; - ret->msg_encoding = substr(p, t); - p = t; - } else - ret->msg_encoding = xstrdup(PAGE_ENCODING); + t = strchr(p, '\n'); + if (t) { + ret->msg_encoding = substr(p, t + 1); + p = t + 1; + } + } + + // skip unknown header fields + while (p && *p && (*p != '\n')) { + p = strchr(p, '\n'); + if (p) + p++; + } - while (*p && (*p != '\n')) - p = strchr(p, '\n') + 1; // skip unknown header fields + // skip empty lines between headers and message + while (p && *p == '\n') + p++; - while (*p == '\n') - p = strchr(p, '\n') + 1; + if (!p) + return ret; t = strchr(p, '\n'); if (t) { - if (*t == '\0') - ret->subject = "** empty **"; - else ret->subject = substr(p, t); p = t + 1; - while (*p == '\n') - p = strchr(p, '\n') + 1; + while (p && *p == '\n') { + p = strchr(p, '\n'); + if (p) + p++; + } + if (p) ret->msg = xstrdup(p); } else - ret->subject = substr(p, p+strlen(p)); - - if(strcmp(ret->msg_encoding, PAGE_ENCODING)) { - t = reencode_string(ret->subject, PAGE_ENCODING, - ret->msg_encoding); - if(t) { - free(ret->subject); - ret->subject = t; - } + ret->subject = xstrdup(p); - t = reencode_string(ret->msg, PAGE_ENCODING, - ret->msg_encoding); - if(t) { - free(ret->msg); - ret->msg = t; - } + if (ret->msg_encoding) { + reencode(&ret->subject, PAGE_ENCODING, ret->msg_encoding); + reencode(&ret->msg, PAGE_ENCODING, ret->msg_encoding); } return ret; } struct taginfo *cgit_parse_tag(struct tag *tag) { void *data; enum object_type type; unsigned long size; - char *p, *t; + char *p; struct taginfo *ret; data = read_sha1_file(tag->object.sha1, &type, &size); if (!data || type != OBJ_TAG) { free(data); return 0; } ret = xmalloc(sizeof(*ret)); ret->tagger = NULL; ret->tagger_email = NULL; ret->tagger_date = 0; ret->msg = NULL; p = data; while (p && *p) { if (*p == '\n') break; if (!strncmp(p, "tagger ", 7)) { - p += 7; - t = strchr(p, '<') - 1; - ret->tagger = substr(p, t); - p = t; - t = strchr(t, '>') + 1; - ret->tagger_email = substr(p, t); - ret->tagger_date = atol(t+1); + p = parse_user(p + 7, &ret->tagger, &ret->tagger_email, + &ret->tagger_date); + } else { + p = strchr(p, '\n'); + if (p) + p++; } - p = strchr(p, '\n') + 1; } - while (p && *p && (*p != '\n')) - p = strchr(p, '\n') + 1; // skip unknown tag fields + // skip empty lines between headers and message + while (p && *p == '\n') + p++; - while (p && (*p == '\n')) - p = strchr(p, '\n') + 1; if (p && *p) ret->msg = xstrdup(p); free(data); return ret; } |