vim-patch:9.0.0110: help tag generation picks up words in code examples

Problem:    Help tag generation picks up words in code examples.
Solution:   Skip over examples. (Carlo Teubner, closes vim/vim#10813)

ddab3ce345

Also fix mistakes in help files.

Co-authored-by: Carlo Teubner <carlo@cteubner.net>
This commit is contained in:
zeertzjq 2022-12-03 20:46:01 +08:00
parent 3838ee63d0
commit bf4bf7f9e0
4 changed files with 23 additions and 3 deletions

View File

@ -8003,7 +8003,7 @@ stridx({haystack}, {needle} [, {start}]) *stridx()*
Can also be used as a |method|: >
GetHaystack()->stridx(needle)
<
*string()*
string({expr}) Return {expr} converted to a String. If {expr} is a Number,
Float, String, Blob or a composition of them, then the result

View File

@ -1780,7 +1780,7 @@ v:exiting Exit code, or |v:null| before invoking the |VimLeavePre|
and |VimLeave| autocmds. See |:q|, |:x| and |:cquit|.
Example: >
:au VimLeave * echo "Exit value is " .. v:exiting
<
*v:echospace* *echospace-variable*
v:echospace Number of screen cells that can be used for an `:echo` message
in the last screen line before causing the |hit-enter-prompt|.

View File

@ -941,6 +941,7 @@ static void helptags_one(char *dir, const char *ext, const char *tagfname, bool
}
const char *const fname = files[fi] + dirlen + 1;
bool in_example = false;
bool firstline = true;
while (!vim_fgets(IObuff, IOSIZE, fd) && !got_int) {
if (firstline) {
@ -971,6 +972,13 @@ static void helptags_one(char *dir, const char *ext, const char *tagfname, bool
}
firstline = false;
}
if (in_example) {
// skip over example; a non-white in the first column ends it
if (vim_strchr(" \t\n\r", IObuff[0])) {
continue;
}
in_example = false;
}
p1 = vim_strchr((char *)IObuff, '*'); // find first '*'
while (p1 != NULL) {
p2 = strchr((const char *)p1 + 1, '*'); // Find second '*'.
@ -990,7 +998,7 @@ static void helptags_one(char *dir, const char *ext, const char *tagfname, bool
|| s[1] == '\0')) {
*p2 = '\0';
p1++;
size_t s_len= (size_t)(p2 - p1) + strlen(fname) + 2;
size_t s_len = (size_t)(p2 - p1) + strlen(fname) + 2;
s = xmalloc(s_len);
GA_APPEND(char *, &ga, s);
snprintf(s, s_len, "%s\t%s", p1, fname);
@ -1001,6 +1009,11 @@ static void helptags_one(char *dir, const char *ext, const char *tagfname, bool
}
p1 = p2;
}
size_t len = strlen(IObuff);
if ((len == 2 && strcmp(&IObuff[len - 2], ">\n") == 0)
|| (len >= 3 && strcmp(&IObuff[len - 3], " >\n") == 0)) {
in_example = true;
}
line_breakcheck();
}

View File

@ -156,6 +156,13 @@ func Test_helptag_cmd()
call assert_equal(["help-tags\ttags\t1"], readfile('Xdir/tags'))
call delete('Xdir/tags')
" Test parsing tags
call writefile(['*tag1*', 'Example: >', ' *notag*', 'Example end: *tag2*'],
\ 'Xdir/a/doc/sample.txt')
helptags Xdir
call assert_equal(["tag1\ta/doc/sample.txt\t/*tag1*",
\ "tag2\ta/doc/sample.txt\t/*tag2*"], readfile('Xdir/tags'))
" Duplicate tags in the help file
call writefile(['*tag1*', '*tag1*', '*tag2*'], 'Xdir/a/doc/sample.txt')
call assert_fails('helptags Xdir', 'E154:')