log: allow users to follow a file

[ps-cgit] / ui-plain.c

diff --git a/ui-plain.c b/ui-plain.c
index 85877d774bfd40016b1b39267acb17b231569928..b787bc3c776b01587c297a211cb1e3638eb6de66 100644 (file)
--- a/ui-plain.c
+++ b/ui-plain.c
@@ -1,6 +1,6 @@
 /* ui-plain.c: functions for output of plain blobs by path
  *
 /* ui-plain.c: functions for output of plain blobs by path
  *

- * Copyright (C) 2008 Lars Hjemli
+ * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>

  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)


@@ -8,11 +8,14 @@
 
 #include <stdio.h>
 #include "cgit.h"
 
 #include <stdio.h>
 #include "cgit.h"

+#include "ui-plain.h"

 #include "html.h"
 #include "ui-shared.h"
 
 #include "html.h"
 #include "ui-shared.h"
 

-int match_baselen;
-int match;
+struct walk_tree_context {
+       int match_baselen;
+       int match;
+};

 
 static char *get_mimetype_from_file(const char *filename, const char *ext)
 {
 
 static char *get_mimetype_from_file(const char *filename, const char *ext)
 {


@@ -54,7 +57,7 @@ static char *get_mimetype_from_file(const char *filename, const char *ext)
        return result;
 }
 
        return result;
 }
 

-static void print_object(const unsigned char *sha1, const char *path)
+static int print_object(const unsigned char *sha1, const char *path)

 {
        enum object_type type;
        char *buf, *ext;
 {
        enum object_type type;
        char *buf, *ext;


@@ -65,13 +68,13 @@ static void print_object(const unsigned char *sha1, const char *path)
        type = sha1_object_info(sha1, &size);
        if (type == OBJ_BAD) {
                html_status(404, "Not found", 0);
        type = sha1_object_info(sha1, &size);
        if (type == OBJ_BAD) {
                html_status(404, "Not found", 0);

-               return;
+               return 0;

        }
 
        buf = read_sha1_file(sha1, &type, &size);
        if (!buf) {
                html_status(404, "Not found", 0);
        }
 
        buf = read_sha1_file(sha1, &type, &size);
        if (!buf) {
                html_status(404, "Not found", 0);

-               return;
+               return 0;

        }
        ctx.page.mimetype = NULL;
        ext = strrchr(path, '.');
        }
        ctx.page.mimetype = NULL;
        ext = strrchr(path, '.');


@@ -80,34 +83,40 @@ static void print_object(const unsigned char *sha1, const char *path)
                mime = string_list_lookup(&ctx.cfg.mimetypes, ext);
                if (mime) {
                        ctx.page.mimetype = (char *)mime->util;
                mime = string_list_lookup(&ctx.cfg.mimetypes, ext);
                if (mime) {
                        ctx.page.mimetype = (char *)mime->util;

+                       ctx.page.charset = NULL;

                } else {
                        ctx.page.mimetype = get_mimetype_from_file(ctx.cfg.mimetype_file, ext);
                } else {
                        ctx.page.mimetype = get_mimetype_from_file(ctx.cfg.mimetype_file, ext);

-                       if (ctx.page.mimetype)
+                       if (ctx.page.mimetype) {

                                freemime = 1;
                                freemime = 1;

+                               ctx.page.charset = NULL;
+                       }

                }
        }
        if (!ctx.page.mimetype) {
                }
        }
        if (!ctx.page.mimetype) {

-               if (buffer_is_binary(buf, size))
+               if (buffer_is_binary(buf, size)) {

                        ctx.page.mimetype = "application/octet-stream";
                        ctx.page.mimetype = "application/octet-stream";

-               else
+                       ctx.page.charset = NULL;
+               } else {

                        ctx.page.mimetype = "text/plain";
                        ctx.page.mimetype = "text/plain";

+               }

        }
        }

-       ctx.page.filename = fmt("%s", path);
+       ctx.page.filename = path;

        ctx.page.size = size;
        ctx.page.etag = sha1_to_hex(sha1);
        ctx.page.size = size;
        ctx.page.etag = sha1_to_hex(sha1);

-       cgit_print_http_headers(&ctx);
+       cgit_print_http_headers();

        html_raw(buf, size);
        html_raw(buf, size);

-       match = 1;
+       /* If we allocated this, then casting away const is safe. */

        if (freemime)
        if (freemime)

-               free(ctx.page.mimetype);
+               free((char*) ctx.page.mimetype);
+       return 1;

 }
 
 static char *buildpath(const char *base, int baselen, const char *path)
 {
        if (path[0])
 }
 
 static char *buildpath(const char *base, int baselen, const char *path)
 {
        if (path[0])

-               return fmt("%.*s%s/", baselen, base, path);
+               return fmtalloc("%.*s%s/", baselen, base, path);

        else
        else

-               return fmt("%.*s/", baselen, base);
+               return fmtalloc("%.*s/", baselen, base);

 }
 
 static void print_dir(const unsigned char *sha1, const char *base,
 }
 
 static void print_dir(const unsigned char *sha1, const char *base,


@@ -119,7 +128,7 @@ static void print_dir(const unsigned char *sha1, const char *base,
        fullpath = buildpath(base, baselen, path);
        slash = (fullpath[0] == '/' ? "" : "/");
        ctx.page.etag = sha1_to_hex(sha1);
        fullpath = buildpath(base, baselen, path);
        slash = (fullpath[0] == '/' ? "" : "/");
        ctx.page.etag = sha1_to_hex(sha1);

-       cgit_print_http_headers(&ctx);
+       cgit_print_http_headers();

        htmlf("<html><head><title>%s", slash);
        html_txt(fullpath);
        htmlf("</title></head>\n<body>\n<h2>%s", slash);
        htmlf("<html><head><title>%s", slash);
        html_txt(fullpath);
        htmlf("</title></head>\n<body>\n<h2>%s", slash);


@@ -138,7 +147,7 @@ static void print_dir(const unsigned char *sha1, const char *base,
                                fullpath);
                html("</li>\n");
        }
                                fullpath);
                html("</li>\n");
        }

-       match = 2;
+       free(fullpath);

 }
 
 static void print_dir_entry(const unsigned char *sha1, const char *base,
 }
 
 static void print_dir_entry(const unsigned char *sha1, const char *base,


@@ -156,7 +165,7 @@ static void print_dir_entry(const unsigned char *sha1, const char *base,
                cgit_plain_link(path, NULL, NULL, ctx.qry.head, ctx.qry.sha1,
                                fullpath);
        html("</li>\n");
                cgit_plain_link(path, NULL, NULL, ctx.qry.head, ctx.qry.sha1,
                                fullpath);
        html("</li>\n");

-       match = 2;
+       free(fullpath);

 }
 
 static void print_dir_tail(void)
 }
 
 static void print_dir_tail(void)


@@ -164,22 +173,26 @@ static void print_dir_tail(void)
        html(" </ul>\n</body></html>\n");
 }
 
        html(" </ul>\n</body></html>\n");
 }
 

-static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
-                    const char *pathname, unsigned mode, int stage,
-                    void *cbdata)
+static int walk_tree(const unsigned char *sha1, struct strbuf *base,
+               const char *pathname, unsigned mode, int stage, void *cbdata)

 {
 {

-       if (baselen == match_baselen) {
-               if (S_ISREG(mode))
-                       print_object(sha1, pathname);
-               else if (S_ISDIR(mode)) {
-                       print_dir(sha1, base, baselen, pathname);
+       struct walk_tree_context *walk_tree_ctx = cbdata;
+
+       if (base->len == walk_tree_ctx->match_baselen) {
+               if (S_ISREG(mode)) {
+                       if (print_object(sha1, pathname))
+                               walk_tree_ctx->match = 1;
+               } else if (S_ISDIR(mode)) {
+                       print_dir(sha1, base->buf, base->len, pathname);
+                       walk_tree_ctx->match = 2;

                        return READ_TREE_RECURSIVE;
                }
                        return READ_TREE_RECURSIVE;
                }

-       }
-       else if (baselen > match_baselen)
-               print_dir_entry(sha1, base, baselen, pathname, mode);
-       else if (S_ISDIR(mode))
+       } else if (base->len > walk_tree_ctx->match_baselen) {
+               print_dir_entry(sha1, base->buf, base->len, pathname, mode);
+               walk_tree_ctx->match = 2;
+       } else if (S_ISDIR(mode)) {

                return READ_TREE_RECURSIVE;
                return READ_TREE_RECURSIVE;

+       }

 
        return 0;
 }
 
        return 0;
 }


@@ -192,15 +205,25 @@ static int basedir_len(const char *path)
        return 0;
 }
 
        return 0;
 }
 

-void cgit_print_plain(struct cgit_context *ctx)
+void cgit_print_plain(void)

 {
 {

-       const char *rev = ctx->qry.sha1;
+       const char *rev = ctx.qry.sha1;

        unsigned char sha1[20];
        struct commit *commit;
        unsigned char sha1[20];
        struct commit *commit;

-       const char *paths[] = {ctx->qry.path, NULL};
+       struct pathspec_item path_items = {
+               .match = ctx.qry.path,
+               .len = ctx.qry.path ? strlen(ctx.qry.path) : 0
+       };
+       struct pathspec paths = {
+               .nr = 1,
+               .items = &path_items
+       };
+       struct walk_tree_context walk_tree_ctx = {
+               .match = 0
+       };

 
        if (!rev)
 
        if (!rev)

-               rev = ctx->qry.head;
+               rev = ctx.qry.head;

 
        if (get_sha1(rev, sha1)) {
                html_status(404, "Not found", 0);
 
        if (get_sha1(rev, sha1)) {
                html_status(404, "Not found", 0);


@@ -211,16 +234,17 @@ void cgit_print_plain(struct cgit_context *ctx)
                html_status(404, "Not found", 0);
                return;
        }
                html_status(404, "Not found", 0);
                return;
        }

-       if (!paths[0]) {
-               paths[0] = "";
-               match_baselen = -1;
+       if (!path_items.match) {
+               path_items.match = "";
+               walk_tree_ctx.match_baselen = -1;

                print_dir(commit->tree->object.sha1, "", 0, "");
                print_dir(commit->tree->object.sha1, "", 0, "");

+               walk_tree_ctx.match = 2;

        }
        else
        }
        else

-               match_baselen = basedir_len(paths[0]);
-       read_tree_recursive(commit->tree, "", 0, 0, paths, walk_tree, NULL);
-       if (!match)
+               walk_tree_ctx.match_baselen = basedir_len(path_items.match);
+       read_tree_recursive(commit->tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
+       if (!walk_tree_ctx.match)

                html_status(404, "Not found", 0);
                html_status(404, "Not found", 0);

-       else if (match == 2)
+       else if (walk_tree_ctx.match == 2)

                print_dir_tail();
 }
                print_dir_tail();
 }