neocgit

a more 'modern' version of cgit
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commit fe1230dece81450004d02fa8a470f8dab8f7fdd9
parent 9ec5cd7944a7099515b7d41107007d6332a2540e
Author: Lars Hjemli <hjemli@gmail.com>
Date:   Thu, 24 Apr 2008 23:32:02 +0200

Integrate diffstat with diff

This creates a generic diffstat function in ui-diff, which then is
invoked from cgit_print_diff with the result that both commit and diff-
view gets a diffstat.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

Diffstat:
Mui-commit.c | 146+++----------------------------------------------------------------------------
Mui-diff.c | 145+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Mui-diff.h | 3+++
3 files changed, 152 insertions(+), 142 deletions(-)

diff --git a/ui-commit.c b/ui-commit.c @@ -11,131 +11,6 @@ #include "ui-shared.h" #include "ui-diff.h" -static int files, slots; -static int total_adds, total_rems, max_changes; -static int lines_added, lines_removed; -static char *curr_rev; - -static struct fileinfo { - char status; - unsigned char old_sha1[20]; - unsigned char new_sha1[20]; - unsigned short old_mode; - unsigned short new_mode; - char *old_path; - char *new_path; - unsigned int added; - unsigned int removed; -} *items; - - -void print_fileinfo(struct fileinfo *info) -{ - char *class; - - switch (info->status) { - case DIFF_STATUS_ADDED: - class = "add"; - break; - case DIFF_STATUS_COPIED: - class = "cpy"; - break; - case DIFF_STATUS_DELETED: - class = "del"; - break; - case DIFF_STATUS_MODIFIED: - class = "upd"; - break; - case DIFF_STATUS_RENAMED: - class = "mov"; - break; - case DIFF_STATUS_TYPE_CHANGED: - class = "typ"; - break; - case DIFF_STATUS_UNKNOWN: - class = "unk"; - break; - case DIFF_STATUS_UNMERGED: - class = "stg"; - break; - default: - die("bug: unhandled diff status %c", info->status); - } - - html("<tr>"); - htmlf("<td class='mode'>"); - if (is_null_sha1(info->new_sha1)) { - cgit_print_filemode(info->old_mode); - } else { - cgit_print_filemode(info->new_mode); - } - - if (info->old_mode != info->new_mode && - !is_null_sha1(info->old_sha1) && - !is_null_sha1(info->new_sha1)) { - html("<span class='modechange'>["); - cgit_print_filemode(info->old_mode); - html("]</span>"); - } - htmlf("</td><td class='%s'>", class); - cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, curr_rev, - NULL, info->new_path); - if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED) - htmlf(" (%s from %s)", - info->status == DIFF_STATUS_COPIED ? "copied" : "renamed", - info->old_path); - html("</td><td class='right'>"); - htmlf("%d", info->added + info->removed); - html("</td><td class='graph'>"); - htmlf("<table summary='file diffstat' width='%d%%'><tr>", (max_changes > 100 ? 100 : max_changes)); - htmlf("<td class='add' style='width: %.1f%%;'/>", - info->added * 100.0 / max_changes); - htmlf("<td class='rem' style='width: %.1f%%;'/>", - info->removed * 100.0 / max_changes); - htmlf("<td class='none' style='width: %.1f%%;'/>", - (max_changes - info->removed - info->added) * 100.0 / max_changes); - html("</tr></table></td></tr>\n"); -} - -void cgit_count_diff_lines(char *line, int len) -{ - if (line && (len > 0)) { - if (line[0] == '+') - lines_added++; - else if (line[0] == '-') - lines_removed++; - } -} - -void inspect_filepair(struct diff_filepair *pair) -{ - files++; - lines_added = 0; - lines_removed = 0; - cgit_diff_files(pair->one->sha1, pair->two->sha1, cgit_count_diff_lines); - if (files >= slots) { - if (slots == 0) - slots = 4; - else - slots = slots * 2; - items = xrealloc(items, slots * sizeof(struct fileinfo)); - } - items[files-1].status = pair->status; - hashcpy(items[files-1].old_sha1, pair->one->sha1); - hashcpy(items[files-1].new_sha1, pair->two->sha1); - items[files-1].old_mode = pair->one->mode; - items[files-1].new_mode = pair->two->mode; - items[files-1].old_path = xstrdup(pair->one->path); - items[files-1].new_path = xstrdup(pair->two->path); - items[files-1].added = lines_added; - items[files-1].removed = lines_removed; - if (lines_added + lines_removed > max_changes) - max_changes = lines_added + lines_removed; - total_adds += lines_added; - total_rems += lines_removed; -} - - void cgit_print_commit(char *hex) { struct commit *commit, *parent; @@ -143,11 +18,9 @@ void cgit_print_commit(char *hex) struct commit_list *p; unsigned char sha1[20]; char *tmp; - int i; if (!hex) hex = ctx.qry.head; - curr_rev = hex; if (get_sha1(hex, sha1)) { cgit_print_error(fmt("Bad object id: %s", hex)); @@ -216,21 +89,10 @@ void cgit_print_commit(char *hex) html("<div class='commit-msg'>"); html_txt(info->msg); html("</div>"); - if (!(commit->parents && commit->parents->next && commit->parents->next->next)) { - html("<div class='diffstat-header'>Diffstat</div>"); - html("<table summary='diffstat' class='diffstat'>"); - max_changes = 0; - cgit_diff_commit(commit, inspect_filepair); - for(i = 0; i<files; i++) - print_fileinfo(&items[i]); - html("</table>"); - html("<div class='diffstat-summary'>"); - htmlf("%d files changed, %d insertions, %d deletions", - files, total_adds, total_rems); - html("</div>"); - cgit_print_diff(ctx.qry.sha1, - sha1_to_hex(commit->parents->item->object.sha1), - NULL); + if (!(commit->parents && commit->parents->next && + commit->parents->next->next)) { + tmp = sha1_to_hex(commit->parents->item->object.sha1); + cgit_print_diff(ctx.qry.sha1, tmp, NULL); } cgit_free_commitinfo(info); } diff --git a/ui-diff.c b/ui-diff.c @@ -13,6 +13,149 @@ unsigned char old_rev_sha1[20]; unsigned char new_rev_sha1[20]; +static int files, slots; +static int total_adds, total_rems, max_changes; +static int lines_added, lines_removed; +static char *curr_rev; + +static struct fileinfo { + char status; + unsigned char old_sha1[20]; + unsigned char new_sha1[20]; + unsigned short old_mode; + unsigned short new_mode; + char *old_path; + char *new_path; + unsigned int added; + unsigned int removed; +} *items; + + +static void print_fileinfo(struct fileinfo *info) +{ + char *class; + + switch (info->status) { + case DIFF_STATUS_ADDED: + class = "add"; + break; + case DIFF_STATUS_COPIED: + class = "cpy"; + break; + case DIFF_STATUS_DELETED: + class = "del"; + break; + case DIFF_STATUS_MODIFIED: + class = "upd"; + break; + case DIFF_STATUS_RENAMED: + class = "mov"; + break; + case DIFF_STATUS_TYPE_CHANGED: + class = "typ"; + break; + case DIFF_STATUS_UNKNOWN: + class = "unk"; + break; + case DIFF_STATUS_UNMERGED: + class = "stg"; + break; + default: + die("bug: unhandled diff status %c", info->status); + } + + html("<tr>"); + htmlf("<td class='mode'>"); + if (is_null_sha1(info->new_sha1)) { + cgit_print_filemode(info->old_mode); + } else { + cgit_print_filemode(info->new_mode); + } + + if (info->old_mode != info->new_mode && + !is_null_sha1(info->old_sha1) && + !is_null_sha1(info->new_sha1)) { + html("<span class='modechange'>["); + cgit_print_filemode(info->old_mode); + html("]</span>"); + } + htmlf("</td><td class='%s'>", class); + cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, curr_rev, + NULL, info->new_path); + if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED) + htmlf(" (%s from %s)", + info->status == DIFF_STATUS_COPIED ? "copied" : "renamed", + info->old_path); + html("</td><td class='right'>"); + htmlf("%d", info->added + info->removed); + html("</td><td class='graph'>"); + htmlf("<table summary='file diffstat' width='%d%%'><tr>", (max_changes > 100 ? 100 : max_changes)); + htmlf("<td class='add' style='width: %.1f%%;'/>", + info->added * 100.0 / max_changes); + htmlf("<td class='rem' style='width: %.1f%%;'/>", + info->removed * 100.0 / max_changes); + htmlf("<td class='none' style='width: %.1f%%;'/>", + (max_changes - info->removed - info->added) * 100.0 / max_changes); + html("</tr></table></td></tr>\n"); +} + +static void count_diff_lines(char *line, int len) +{ + if (line && (len > 0)) { + if (line[0] == '+') + lines_added++; + else if (line[0] == '-') + lines_removed++; + } +} + +static void inspect_filepair(struct diff_filepair *pair) +{ + files++; + lines_added = 0; + lines_removed = 0; + cgit_diff_files(pair->one->sha1, pair->two->sha1, count_diff_lines); + if (files >= slots) { + if (slots == 0) + slots = 4; + else + slots = slots * 2; + items = xrealloc(items, slots * sizeof(struct fileinfo)); + } + items[files-1].status = pair->status; + hashcpy(items[files-1].old_sha1, pair->one->sha1); + hashcpy(items[files-1].new_sha1, pair->two->sha1); + items[files-1].old_mode = pair->one->mode; + items[files-1].new_mode = pair->two->mode; + items[files-1].old_path = xstrdup(pair->one->path); + items[files-1].new_path = xstrdup(pair->two->path); + items[files-1].added = lines_added; + items[files-1].removed = lines_removed; + if (lines_added + lines_removed > max_changes) + max_changes = lines_added + lines_removed; + total_adds += lines_added; + total_rems += lines_removed; +} + +void cgit_print_diffstat(const unsigned char *old_sha1, + const unsigned char *new_sha1) +{ + int i; + + html("<div class='diffstat-header'>Diffstat</div>"); + html("<table summary='diffstat' class='diffstat'>"); + max_changes = 0; + cgit_diff_tree(old_sha1, new_sha1, inspect_filepair, NULL); + for(i = 0; i<files; i++) + print_fileinfo(&items[i]); + html("</table>"); + html("<div class='diffstat-summary'>"); + htmlf("%d files changed, %d insertions, %d deletions", + files, total_adds, total_rems); + html("</div>"); +} + + /* * print a single line returned from xdiff */ @@ -142,6 +285,8 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefi if (!commit2 || parse_commit(commit2)) cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(old_rev_sha1))); } + cgit_print_diffstat(old_rev_sha1, new_rev_sha1); + html("<table summary='diff' class='diff'>"); html("<tr><td>"); cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb, prefix); diff --git a/ui-diff.h b/ui-diff.h @@ -1,6 +1,9 @@ #ifndef UI_DIFF_H #define UI_DIFF_H +extern void cgit_print_diffstat(const unsigned char *old_sha1, + const unsigned char *new_sha1); + extern void cgit_print_diff(const char *new_hex, const char *old_hex, const char *prefix);