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Accept docstrings with last line not fully indented

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When trimming indent, the last line, if only containing
whitespaces does not need to match the indent, so that
this indentation style works:

    -docstring %{
        indented string
    }
This commit is contained in:
Maxime Coste 2019-09-17 21:48:00 +10:00
parent c787128a7c
commit 8cca77c949
2 changed files with 21 additions and 25 deletions
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9
rc/tools/ctags.kak
View File

@ -26,10 +26,11 @@ define-command -params ..1 \
fi
cat "$namecache"
done} \
-docstring %{ctags-search [<symbol>]: jump to a symbol's definition
If no symbol is passed then the current selection is used as symbol name} \
ctags-search \
%[ evaluate-commands %sh[
-docstring %{
ctags-search [<symbol>]: jump to a symbol's definition
If no symbol is passed then the current selection is used as symbol name
} \
ctags-search %[ evaluate-commands %sh[
realpath() { ( cd "$(dirname "$1")"; printf "%s/%s\n" "$(pwd -P)" "$(basename "$1")" ) }
export tagname="${1:-${kak_selection}}"
eval "set -- $kak_quoted_opt_ctagsfiles"

37
src/string_utils.cc
View File

@ -23,31 +23,25 @@ String trim_indent(StringView str)
{
if (str.empty())
return {};
else if (str[0_byte] != '\n')
return trim_whitespaces(str).str();
str = str.substr(1_byte);
const CharCount docstring_length = str.char_length();
if (str[0_byte] == '\n')
str = str.substr(1_byte);
while (not str.empty() and is_blank(str.back()))
str = str.substr(0, str.length() - 1);
CharCount level_indent = 0;
while (level_indent < docstring_length
and is_horizontal_blank(str[level_indent]))
level_indent++;
utf8::iterator it{str.begin(), str};
while (it != str.end() and is_horizontal_blank(*it))
it++;
if (level_indent >= docstring_length or not level_indent)
return trim_whitespaces(str).str();
const StringView indent{str.begin(), it.base()};
return accumulate(str | split_after<StringView>('\n') | transform([&](auto&& line) {
if (line == "\n")
return line;
else if (not prefix_match(line, indent))
throw runtime_error("inconsistent indentation in the string");
const auto str_indent = str.substr(0, level_indent);
auto s = str | split<StringView>('\n') | transform([&](auto&& line) {
if (line.empty())
return line;
else if (not prefix_match(line, str_indent))
throw runtime_error("inconsistent indentation in the string");
return line.substr(str_indent.char_length());
});
return trim_whitespaces(join(s, '\n', false)).str();
return line.substr(indent.length());
}), String{}, [](String& s, StringView l) -> decltype(auto) { return s += l; });
}
String escape(StringView str, StringView characters, char escape)
@ -414,6 +408,7 @@ UnitTest test_string{[]()
kak_assert(trim_indent("\nno-indent") == "no-indent");
kak_assert(trim_indent("\n indent\n indent") == "indent\nindent");
kak_assert(trim_indent("\n indent\n indent") == "indent\n indent");
kak_assert(trim_indent("\n indent\n indent\n ") == "indent\nindent");
kak_expect_throw(runtime_error, trim_indent("\n indent\nno-indent"));