Finally, xdiff is used to show per-file diffs via commit view.
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
EXTLIBS = ../git/libgit.a ../git/xdiff/lib.a -lz -lcrypto
OBJECTS = shared.o cache.o parsing.o html.o ui-shared.o ui-repolist.o \
- ui-summary.o ui-log.o ui-view.c ui-tree.c ui-commit.c
+ ui-summary.o ui-log.o ui-view.c ui-tree.c ui-commit.c ui-diff.o
CFLAGS += -Wall
cgit_print_commit(cgit_query_sha1);
} else if (!strcmp(cgit_query_page, "view")) {
cgit_print_view(cgit_query_sha1);
+ } else if (!strcmp(cgit_query_page, "diff")) {
+ cgit_print_diff(cgit_query_sha1, cgit_query_sha2);
}
cgit_print_docend();
}
font-weight: bold;
margin: 1em 2em;
}
+div.ls-blob, div.ls-dir {
+ font-family: monospace;
+}
div.ls-dir a {
font-weight: bold;
}
th.filesize, td.filesize {
text-align: right;
}
+td.filesize {
+ font-family: monospace;
+}
td.filemode {
font-family: monospace;
}
color: #888;
padding-top: 0.5em;
}
+
+table.diff td {
+ border: solid 1px black;
+ font-family: monospace;
+ white-space: pre;
+}
+
+table.diff td div.hunk {
+ background: #ccc;
+}
+
+table.diff td div.add {
+ color: green;
+}
+
+table.diff td div.del {
+ color: red;
+}
+
.sha1 {
font-family: courier;
font-size: 90%;
extern char *cgit_query_page;
extern char *cgit_query_head;
extern char *cgit_query_sha1;
+extern char *cgit_query_sha2;
extern int cgit_query_ofs;
extern int htmlfd;
extern void cgit_print_view(const char *hex);
extern void cgit_print_tree(const char *hex);
extern void cgit_print_commit(const char *hex);
+extern void cgit_print_diff(const char *old_hex, const char *new_hex);
#endif /* CGIT_H */
char *cgit_query_page = NULL;
char *cgit_query_head = NULL;
char *cgit_query_sha1 = NULL;
+char *cgit_query_sha2 = NULL;
int cgit_query_ofs = 0;
int htmlfd = 0;
} else if (!strcmp(name, "id")) {
cgit_query_sha1 = xstrdup(value);
cgit_query_has_sha1 = 1;
+ } else if (!strcmp(name, "id2")) {
+ cgit_query_sha2 = xstrdup(value);
+ cgit_query_has_sha1 = 1;
} else if (!strcmp(name, "ofs")) {
cgit_query_ofs = atoi(value);
}
--- /dev/null
+/* ui-diff.c: show diff between two blobs
+ *
+ * Copyright (C) 2006 Lars Hjemli
+ *
+ * Licensed under GNU General Public License v2
+ * (see COPYING for full license text)
+ */
+
+#include "cgit.h"
+#include "xdiff.h"
+
+char *diff_buffer;
+int diff_buffer_size;
+
+
+/*
+ * print a single line returned from xdiff
+ */
+static void print_line(char *line, int len)
+{
+ char *class = "ctx";
+ char c = line[len-1];
+
+ if (line[0] == '+')
+ class = "add";
+ else if (line[0] == '-')
+ class = "del";
+ else if (line[0] == '@')
+ class = "hunk";
+
+ htmlf("<div class='%s'>", class);
+ line[len-1] = '\0';
+ html_txt(line);
+ html("</div>");
+ line[len-1] = c;
+}
+
+/*
+ * Receive diff-buffers from xdiff and concatenate them as
+ * needed across multiple callbacks.
+ *
+ * This is basically a copy of xdiff-interface.c/xdiff_outf(),
+ * ripped from git and modified to use globals instead of
+ * a special callback-struct.
+ */
+int diff_cb(void *priv_, mmbuffer_t *mb, int nbuf)
+{
+ int i;
+
+ for (i = 0; i < nbuf; i++) {
+ if (mb[i].ptr[mb[i].size-1] != '\n') {
+ /* Incomplete line */
+ diff_buffer = xrealloc(diff_buffer,
+ diff_buffer_size + mb[i].size);
+ memcpy(diff_buffer + diff_buffer_size,
+ mb[i].ptr, mb[i].size);
+ diff_buffer_size += mb[i].size;
+ continue;
+ }
+
+ /* we have a complete line */
+ if (!diff_buffer) {
+ print_line(mb[i].ptr, mb[i].size);
+ continue;
+ }
+ diff_buffer = xrealloc(diff_buffer,
+ diff_buffer_size + mb[i].size);
+ memcpy(diff_buffer + diff_buffer_size, mb[i].ptr, mb[i].size);
+ print_line(diff_buffer, diff_buffer_size + mb[i].size);
+ free(diff_buffer);
+ diff_buffer = NULL;
+ diff_buffer_size = 0;
+ }
+ if (diff_buffer) {
+ print_line(diff_buffer, diff_buffer_size);
+ free(diff_buffer);
+ diff_buffer = NULL;
+ diff_buffer_size = 0;
+ }
+ return 0;
+}
+
+static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
+{
+ char type[20];
+
+ if (is_null_sha1(sha1)) {
+ file->ptr = (char *)"";
+ file->size = 0;
+ } else {
+ file->ptr = read_sha1_file(sha1, type, &file->size);
+ }
+ return 1;
+}
+
+static void run_diff(const unsigned char *sha1, const unsigned char *sha2)
+{
+ mmfile_t file1, file2;
+ xpparam_t diff_params;
+ xdemitconf_t emit_params;
+ xdemitcb_t emit_cb;
+
+ if (!load_mmfile(&file1, sha1) || !load_mmfile(&file2, sha2)) {
+ cgit_print_error("Unable to load files for diff");
+ return;
+ }
+
+ diff_params.flags = XDF_NEED_MINIMAL;
+
+ emit_params.ctxlen = 3;
+ emit_params.flags = XDL_EMIT_FUNCNAMES;
+
+ emit_cb.outf = diff_cb;
+
+ xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb);
+}
+
+
+
+void cgit_print_diff(const char *old_hex, const char *new_hex)
+{
+ unsigned char sha1[20], sha2[20];
+
+ get_sha1(old_hex, sha1);
+ get_sha1(new_hex, sha2);
+
+ html("<h2>diff</h2>\n");
+ html("<table class='diff'><tr><td>");
+ run_diff(sha1, sha2);
+ html("</td></tr></table>");
+}
--- /dev/null
+/*
+ * LibXDiff by Davide Libenzi ( File Differential Library )
+ * Copyright (C) 2003 Davide Libenzi
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Davide Libenzi <davidel@xmailserver.org>
+ *
+ */
+
+#if !defined(XDIFF_H)
+#define XDIFF_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* #ifdef __cplusplus */
+
+
+#define XDF_NEED_MINIMAL (1 << 1)
+#define XDF_IGNORE_WHITESPACE (1 << 2)
+#define XDF_IGNORE_WHITESPACE_CHANGE (1 << 3)
+#define XDF_WHITESPACE_FLAGS (XDF_IGNORE_WHITESPACE | XDF_IGNORE_WHITESPACE_CHANGE)
+
+#define XDL_PATCH_NORMAL '-'
+#define XDL_PATCH_REVERSE '+'
+#define XDL_PATCH_MODEMASK ((1 << 8) - 1)
+#define XDL_PATCH_IGNOREBSPACE (1 << 8)
+
+#define XDL_EMIT_FUNCNAMES (1 << 0)
+#define XDL_EMIT_COMMON (1 << 1)
+
+#define XDL_MMB_READONLY (1 << 0)
+
+#define XDL_MMF_ATOMIC (1 << 0)
+
+#define XDL_BDOP_INS 1
+#define XDL_BDOP_CPY 2
+#define XDL_BDOP_INSB 3
+
+#define XDL_MERGE_MINIMAL 0
+#define XDL_MERGE_EAGER 1
+#define XDL_MERGE_ZEALOUS 2
+
+typedef struct s_mmfile {
+ char *ptr;
+ long size;
+} mmfile_t;
+
+typedef struct s_mmbuffer {
+ char *ptr;
+ long size;
+} mmbuffer_t;
+
+typedef struct s_xpparam {
+ unsigned long flags;
+} xpparam_t;
+
+typedef struct s_xdemitcb {
+ void *priv;
+ int (*outf)(void *, mmbuffer_t *, int);
+} xdemitcb_t;
+
+typedef struct s_xdemitconf {
+ long ctxlen;
+ unsigned long flags;
+} xdemitconf_t;
+
+typedef struct s_bdiffparam {
+ long bsize;
+} bdiffparam_t;
+
+
+#define xdl_malloc(x) malloc(x)
+#define xdl_free(ptr) free(ptr)
+#define xdl_realloc(ptr,x) realloc(ptr,x)
+
+void *xdl_mmfile_first(mmfile_t *mmf, long *size);
+void *xdl_mmfile_next(mmfile_t *mmf, long *size);
+long xdl_mmfile_size(mmfile_t *mmf);
+
+int xdl_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
+ xdemitconf_t const *xecfg, xdemitcb_t *ecb);
+
+int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1,
+ mmfile_t *mf2, const char *name2,
+ xpparam_t const *xpp, int level, mmbuffer_t *result);
+
+#ifdef __cplusplus
+}
+#endif /* #ifdef __cplusplus */
+
+#endif /* #if !defined(XDIFF_H) */
+
projects / cgit / commitdiff