Refactor RegionsHighlighters to define each region as a separate command
This commit is contained in:
Maxime Coste
parent
c9cdae4364
commit
b0ccf97b44
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@ -136,17 +136,15 @@ evaluate-commands %sh{
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fi
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printf %s\\n '
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add-highlighter shared/FT regions -default code -match-capture \
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string %{MAYBEAT(?<!QUOTE)(?<!QUOTE\\)"} %{(?<!\\)(?:\\\\)*"} "" \
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string %{R"([^(]*)\(} %{\)([^")]*)"} "" \
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comment /\* \*/ "" \
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comment // $ "" \
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disabled ^\h*?#\h*if\h+(?:0|FALSE)\b "#\h*(?:else|elif|endif)" "#\h*if(?:def)?" \
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macro %{^\h*?\K#} %{(?<!\\)\n} ""
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add-highlighter shared/FT regions
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add-highlighter shared/FT/code default-region group
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add-highlighter shared/FT/string region %{MAYBEAT(?<!QUOTE)(?<!QUOTE\\)"} %{(?<!\\)(?:\\\\)*"} "" fill string
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add-highlighter shared/FT/raw_string region %{R"([^(]*)\(} %{\)([^")]*)"} "" fill string
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add-highlighter shared/FT/comment region /\* \*/ "" fill comment
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add-highlighter shared/FT/line_comment region // $ "" fill comment
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add-highlighter shared/FT/disabled region ^\h*?#\h*if\h+(?:0|FALSE)\b "#\h*(?:else|elif|endif)" "#\h*if(?:def)?" fill rgb:666666
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add-highlighter shared/FT/macro region %{^\h*?\K#} %{(?<!\\)\n} "" group
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add-highlighter shared/FT/string/fill fill string
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add-highlighter shared/FT/comment/fill fill comment
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add-highlighter shared/FT/disabled/fill fill rgb:666666
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add-highlighter shared/FT/macro/fill fill meta
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add-highlighter shared/FT/macro/include regex ^\h*#include\h+(\S*) 1:module
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' | sed -e "s/FT/${ft}/g; s/QUOTE/'/g; s/MAYBEAT/${maybe_at}/;"
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@ -11,18 +11,19 @@ hook global BufCreate (.*/)?(kakrc|.*.kak) %{
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# Highlighters & Completion
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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add-highlighter shared/kakrc regions -default code \
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comment (^|\h)\K# $ '' \
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double_string %{(^|\h)\K"} %{"(?!")} %{(?<!")("")+(?!")} \
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single_string %{(^|\h)\K'} %{'(?!')} %{(?<!')('')+(?!')} \
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shell '(^|\h)\K%?%sh\{' '\}' '\{' \
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shell '(^|\h)\K%?%sh\(' '\)' '\(' \
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shell '(^|\h)\K%?%sh\[' '\]' '\[' \
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shell '(^|\h)\K%?%sh<' '>' '<' \
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shell '(^|\h)\K-shell-(completion|candidates)\h+%\{' '\}' '\{' \
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shell '(^|\h)\K-shell-(completion|candidates)\h+%\(' '\)' '\(' \
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shell '(^|\h)\K-shell-(completion|candidates)\h+%\[' '\]' '\[' \
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shell '(^|\h)\K-shell-(completion|candidates)\h+%<' '>' '<'
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add-highlighter shared/kakrc regions
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add-highlighter shared/kakrc/code default-region group
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add-highlighter shared/kakrc/comment region (^|\h)\K# $ '' fill comment
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add-highlighter shared/kakrc/double_string region %{(^|\h)\K"} %{"(?!")} %{(?<!")("")+(?!")} group
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add-highlighter shared/kakrc/single_string region %{(^|\h)\K'} %{'(?!')} %{(?<!')('')+(?!')} group
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add-highlighter shared/kakrc/shell1 region '(^|\h)\K%?%sh\{' '\}' '\{' ref sh
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add-highlighter shared/kakrc/shell2 region '(^|\h)\K%?%sh\(' '\)' '\(' ref sh
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add-highlighter shared/kakrc/shell3 region '(^|\h)\K%?%sh\[' '\]' '\[' ref sh
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add-highlighter shared/kakrc/shell4 region '(^|\h)\K%?%sh<' '>' '<' ref sh
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add-highlighter shared/kakrc/shell5 region '(^|\h)\K-shell-(completion|candidates)\h+%\{' '\}' '\{' ref sh
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add-highlighter shared/kakrc/shell6 region '(^|\h)\K-shell-(completion|candidates)\h+%\(' '\)' '\(' ref sh
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add-highlighter shared/kakrc/shell7 region '(^|\h)\K-shell-(completion|candidates)\h+%\[' '\]' '\[' ref sh
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add-highlighter shared/kakrc/shell8 region '(^|\h)\K-shell-(completion|candidates)\h+%<' '>' '<' ref sh
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evaluate-commands %sh{
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# Grammar
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@ -61,8 +62,6 @@ add-highlighter shared/kakrc/double_string/fill fill string
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add-highlighter shared/kakrc/double_string/escape regex '""' 0:default+b
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add-highlighter shared/kakrc/single_string/fill fill string
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add-highlighter shared/kakrc/single_string/escape regex "''" 0:default+b
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add-highlighter shared/kakrc/comment/fill fill comment
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add-highlighter shared/kakrc/shell/sh ref sh
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# Commands
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# ‾‾‾‾‾‾‾‾
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@ -2,32 +2,32 @@ hook global BufCreate .*\.(z|ba|c|k|mk)?sh(rc|_profile)? %{
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set-option buffer filetype sh
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}
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add-highlighter shared/sh regions -default code -match-capture \
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double_string %{(?<!\\)(?:\\\\)*\K"} %{(?<!\\)(?:\\\\)*"} '' \
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single_string %{(?<!\\)(?:\\\\)*\K'} %{'} '' \
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comment '(?<!\$)#' '$' '' \
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heredoc '<<-?(\w+)' '^\t*(\w+)$' ''
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add-highlighter shared/sh regions
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add-highlighter shared/sh/code default-region group
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add-highlighter shared/sh/double_string region %{(?<!\\)(?:\\\\)*\K"} %{(?<!\\)(?:\\\\)*"} '' group
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add-highlighter shared/sh/single_string region %{(?<!\\)(?:\\\\)*\K'} %{'} '' fill string
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add-highlighter shared/sh/comment region '(?<!\$)#' '$' '' fill comment
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add-highlighter shared/sh/heredoc region -match-capture '<<-?(\w+)' '^\t*(\w+)$' '' fill string
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add-highlighter shared/sh/double_string/fill fill string
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add-highlighter shared/sh/single_string/fill fill string
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add-highlighter shared/sh/comment/fill fill comment
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add-highlighter shared/sh/heredoc/fill fill string
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evaluate-commands %sh{
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# Grammar
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keywords="alias|bind|builtin|caller|case|cd|command|coproc|declare|do|done"
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keywords="${keywords}|echo|elif|else|enable|esac|exit|fi|for|function|help"
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keywords="${keywords}|if|in|let|local|logout|mapfile|printf|read|readarray"
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keywords="${keywords}|readonly|return|select|set|shift|source|test|then"
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keywords="${keywords}|time|type|typeset|ulimit|unalias|until|while|break|continue"
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keywords="alias bind builtin caller case cd command coproc declare do done
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echo elif else enable esac exit fi for function help
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if in let local logout mapfile printf read readarray
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readonly return select set shift source test then
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time type typeset ulimit unalias until while break continue"
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join() { printf "%s" "$1" | tr -s ' \n' "$2"; }
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# Add the language's grammar to the static completion list
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printf %s\\n "hook global WinSetOption filetype=sh %{
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set-option window static_words ${keywords}
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}" | tr '|' ' '
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set-option window static_words $(join "${keywords}" ' ')
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}"
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# Highlight keywords
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printf %s "add-highlighter shared/sh/code/keywords regex \b(${keywords})\b 0:keyword"
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printf %s "add-highlighter shared/sh/code/keywords regex \b($(join ${keywords} '|'))\b 0:keyword"
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}
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add-highlighter shared/sh/code/operators regex [\[\]\(\)&|]{1,2} 0:operator
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@ -1728,60 +1728,17 @@ struct RegionMatches
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}
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};
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struct RegionDesc
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{
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String m_name;
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Regex m_begin;
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Regex m_end;
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Regex m_recurse;
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bool m_match_capture;
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RegionMatches find_matches(const Buffer& buffer) const
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{
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RegionMatches res;
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Kakoune::find_matches(buffer, res.begin_matches, m_begin, m_match_capture);
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Kakoune::find_matches(buffer, res.end_matches, m_end, m_match_capture);
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if (not m_recurse.empty())
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Kakoune::find_matches(buffer, res.recurse_matches, m_recurse, m_match_capture);
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return res;
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}
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void update_matches(const Buffer& buffer,
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ConstArrayView<LineModification> modifs,
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RegionMatches& matches) const
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{
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Kakoune::update_matches(buffer, modifs, matches.begin_matches, m_begin, m_match_capture);
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Kakoune::update_matches(buffer, modifs, matches.end_matches, m_end, m_match_capture);
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if (not m_recurse.empty())
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Kakoune::update_matches(buffer, modifs, matches.recurse_matches, m_recurse, m_match_capture);
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}
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};
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struct RegionsHighlighter : public Highlighter
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{
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public:
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using RegionDescList = Vector<RegionDesc, MemoryDomain::Highlight>;
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RegionsHighlighter(RegionDescList regions, String default_group)
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: Highlighter{HighlightPass::Colorize},
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m_regions{std::move(regions)},
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m_default_group{std::move(default_group)}
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{
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if (m_regions.empty())
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throw runtime_error("at least one region must be defined");
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for (auto& region : m_regions)
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{
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m_groups.insert({region.m_name, HighlighterGroup{HighlightPass::Colorize}});
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if (region.m_begin.empty() or region.m_end.empty())
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throw runtime_error("invalid regex for region highlighter");
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}
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if (not m_default_group.empty())
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m_groups.insert({m_default_group, HighlighterGroup{HighlightPass::Colorize}});
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}
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RegionsHighlighter()
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: Highlighter{HighlightPass::Colorize} {}
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void do_highlight(HighlightContext context, DisplayBuffer& display_buffer, BufferRange range) override
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{
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if (m_regions.empty())
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return;
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auto display_range = display_buffer.range();
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const auto& buffer = context.context.buffer();
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auto& regions = get_regions_for_range(buffer, range);
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@ -1796,8 +1753,8 @@ public:
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return c;
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};
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auto default_group_it = m_groups.find(m_default_group);
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const bool apply_default = default_group_it != m_groups.end();
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auto default_region_it = m_regions.find(m_default_region);
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const bool apply_default = default_region_it != m_regions.end();
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auto last_begin = (begin == regions.begin()) ?
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BufferCoord{0,0} : (begin-1)->end;
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@ -1807,20 +1764,20 @@ public:
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if (apply_default and last_begin < begin->begin)
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apply_highlighter(context, display_buffer,
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correct(last_begin), correct(begin->begin),
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default_group_it->value);
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*default_region_it->value);
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auto it = m_groups.find(begin->group);
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if (it == m_groups.end())
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auto it = m_regions.find(begin->region);
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if (it == m_regions.end())
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continue;
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apply_highlighter(context, display_buffer,
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correct(begin->begin), correct(begin->end),
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it->value);
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*it->value);
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last_begin = begin->end;
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}
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if (apply_default and last_begin < display_range.end)
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apply_highlighter(context, display_buffer,
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correct(last_begin), range.end,
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default_group_it->value);
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*default_region_it->value);
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}
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bool has_children() const override { return true; }
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@ -1829,13 +1786,31 @@ public:
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{
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auto sep_it = find(path, '/');
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StringView id(path.begin(), sep_it);
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auto it = m_groups.find(id);
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if (it == m_groups.end())
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auto it = m_regions.find(id);
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if (it == m_regions.end())
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throw child_not_found(format("no such id: {}", id));
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if (sep_it == path.end())
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return it->value;
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return *it->value;
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else
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return it->value.get_child({sep_it+1, path.end()});
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return it->value->get_child({sep_it+1, path.end()});
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}
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void add_child(String name, std::unique_ptr<Highlighter>&& hl) override
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{
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if (not dynamic_cast<RegionHighlighter*>(hl.get()))
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throw runtime_error{"only region highlighter can be added as child of a regions highlighter"};
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if (m_regions.contains(name))
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throw runtime_error{format("duplicate id: '{}'", name)};
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std::unique_ptr<RegionHighlighter> region_hl{dynamic_cast<RegionHighlighter*>(hl.release())};
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if (region_hl->is_default())
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{
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if (not m_default_region.empty())
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throw runtime_error{"default region already defined"};
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m_default_region = name;
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}
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m_regions.insert({std::move(name), std::move(region_hl)});
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}
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Completions complete_child(StringView path, ByteCount cursor_pos, bool group) const override
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@ -1848,51 +1823,146 @@ public:
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return offset_pos(hl.complete_child(path.substr(offset), cursor_pos - offset, group), offset);
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}
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auto container = m_groups | transform(&decltype(m_groups)::Item::key);
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auto container = m_regions | transform(&decltype(m_regions)::Item::key);
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return { 0, 0, complete(path, cursor_pos, container) };
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}
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static std::unique_ptr<Highlighter> create(HighlighterParameters params)
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{
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if (not params.empty())
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throw runtime_error{"unexpected parameters"};
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return std::make_unique<RegionsHighlighter>();
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}
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static std::unique_ptr<Highlighter> create_region(HighlighterParameters params)
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{
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static const ParameterDesc param_desc{
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{ { "default", { true, "" } }, { "match-capture", { false, "" } } },
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ParameterDesc::Flags::SwitchesOnlyAtStart, 5
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{ { "match-capture", { false, "" } } },
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ParameterDesc::Flags::SwitchesOnlyAtStart, 4
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};
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ParametersParser parser{params, param_desc};
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if ((parser.positional_count() % 4) != 0)
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throw runtime_error("wrong parameter count, expected (<group name> <begin> <end> <recurse>)+");
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const bool match_capture = (bool)parser.get_switch("match-capture");
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RegionsHighlighter::RegionDescList regions;
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for (size_t i = 0; i < parser.positional_count(); i += 4)
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{
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if (parser[i].empty() or parser[i+1].empty() or parser[i+2].empty())
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throw runtime_error("group id, begin and end must not be empty");
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if (parser[0].empty() or parser[1].empty())
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throw runtime_error("begin and end must not be empty");
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const RegexCompileFlags flags = match_capture ?
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RegexCompileFlags::Optimize : RegexCompileFlags::NoSubs | RegexCompileFlags::Optimize;
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const RegexCompileFlags flags = match_capture ?
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RegexCompileFlags::Optimize : RegexCompileFlags::NoSubs | RegexCompileFlags::Optimize;
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regions.push_back({ parser[i],
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Regex{parser[i+1], flags}, Regex{parser[i+2], flags},
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parser[i+3].empty() ? Regex{} : Regex{parser[i+3], flags},
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match_capture });
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}
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auto delegate = HighlighterRegistry::instance()[parser[3]].factory(parser.positionals_from(4));
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return std::make_unique<RegionHighlighter>(std::move(delegate), Regex{parser[0], flags}, Regex{parser[1], flags}, parser[2].empty() ? Regex{} : Regex{parser[2], flags}, match_capture);
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}
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auto default_group = parser.get_switch("default").value_or(StringView{}).str();
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return std::make_unique<RegionsHighlighter>(std::move(regions), default_group);
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static std::unique_ptr<Highlighter> create_default_region(HighlighterParameters params)
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{
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static const ParameterDesc param_desc{ {}, ParameterDesc::Flags::SwitchesOnlyAtStart, 1 };
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ParametersParser parser{params, param_desc};
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auto delegate = HighlighterRegistry::instance()[parser[0]].factory(parser.positionals_from(1));
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return std::make_unique<RegionHighlighter>(std::move(delegate));
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}
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private:
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const RegionDescList m_regions;
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const String m_default_group;
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HashMap<String, HighlighterGroup, MemoryDomain::Highlight> m_groups;
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struct RegionHighlighter : public Highlighter
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{
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RegionHighlighter(std::unique_ptr<Highlighter>&& delegate,
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Regex begin, Regex end, Regex recurse,
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bool match_capture)
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: Highlighter{delegate->passes()},
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m_delegate{std::move(delegate)},
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m_begin{std::move(begin)}, m_end{std::move(end)}, m_recurse{std::move(recurse)},
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m_match_capture{match_capture}
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{
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}
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RegionHighlighter(std::unique_ptr<Highlighter>&& delegate)
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: Highlighter{delegate->passes()}, m_delegate{std::move(delegate)}, m_default{true}
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{
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}
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bool has_children() const override
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{
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return m_delegate->has_children();
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}
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Highlighter& get_child(StringView path) override
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{
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return m_delegate->get_child(path);
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}
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void add_child(String name, std::unique_ptr<Highlighter>&& hl) override
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{
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return m_delegate->add_child(name, std::move(hl));
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}
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void remove_child(StringView id) override
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{
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return m_delegate->remove_child(id);
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}
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Completions complete_child(StringView path, ByteCount cursor_pos, bool group) const override
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{
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return m_delegate->complete_child(path, cursor_pos, group);
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}
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void fill_unique_ids(Vector<StringView>& unique_ids) const override
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{
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return m_delegate->fill_unique_ids(unique_ids);
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}
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void do_highlight(HighlightContext context, DisplayBuffer& display_buffer, BufferRange range) override
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{
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return m_delegate->highlight(context, display_buffer, range);
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}
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RegionMatches find_matches(const Buffer& buffer) const
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{
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RegionMatches res;
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if (m_default)
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return res;
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Kakoune::find_matches(buffer, res.begin_matches, m_begin, m_match_capture);
|
||||
Kakoune::find_matches(buffer, res.end_matches, m_end, m_match_capture);
|
||||
if (not m_recurse.empty())
|
||||
Kakoune::find_matches(buffer, res.recurse_matches, m_recurse, m_match_capture);
|
||||
return res;
|
||||
}
|
||||
|
||||
void update_matches(const Buffer& buffer,
|
||||
ConstArrayView<LineModification> modifs,
|
||||
RegionMatches& matches) const
|
||||
{
|
||||
if (m_default)
|
||||
return;
|
||||
|
||||
Kakoune::update_matches(buffer, modifs, matches.begin_matches, m_begin, m_match_capture);
|
||||
Kakoune::update_matches(buffer, modifs, matches.end_matches, m_end, m_match_capture);
|
||||
if (not m_recurse.empty())
|
||||
Kakoune::update_matches(buffer, modifs, matches.recurse_matches, m_recurse, m_match_capture);
|
||||
}
|
||||
|
||||
bool match_capture() const { return m_match_capture; }
|
||||
bool is_default() const { return m_default; }
|
||||
|
||||
private:
|
||||
std::unique_ptr<Highlighter> m_delegate;
|
||||
|
||||
Regex m_begin;
|
||||
Regex m_end;
|
||||
Regex m_recurse;
|
||||
bool m_match_capture = false;
|
||||
bool m_default = false;
|
||||
};
|
||||
|
||||
HashMap<String, std::unique_ptr<RegionHighlighter>, MemoryDomain::Highlight> m_regions;
|
||||
String m_default_region;
|
||||
|
||||
struct Region
|
||||
{
|
||||
BufferCoord begin;
|
||||
BufferCoord end;
|
||||
StringView group;
|
||||
StringView region;
|
||||
};
|
||||
using RegionList = Vector<Region, MemoryDomain::Highlight>;
|
||||
|
||||
|
|
@ -1932,13 +2002,13 @@ private:
|
|||
{
|
||||
cache.matches.resize(m_regions.size());
|
||||
for (size_t i = 0; i < m_regions.size(); ++i)
|
||||
cache.matches[i] = m_regions[i].find_matches(buffer);
|
||||
cache.matches[i] = m_regions.item(i).value->find_matches(buffer);
|
||||
}
|
||||
else
|
||||
{
|
||||
auto modifs = compute_line_modifications(buffer, cache.timestamp);
|
||||
for (size_t i = 0; i < m_regions.size(); ++i)
|
||||
m_regions[i].update_matches(buffer, modifs, cache.matches[i]);
|
||||
m_regions.item(i).value->update_matches(buffer, modifs, cache.matches[i]);
|
||||
}
|
||||
|
||||
cache.regions.clear();
|
||||
|
|
@ -1955,24 +2025,23 @@ private:
|
|||
begin != end; )
|
||||
{
|
||||
const RegionMatches& matches = cache.matches[begin.first];
|
||||
auto& region = m_regions[begin.first];
|
||||
auto& region = m_regions.item(begin.first);
|
||||
auto beg_it = begin.second;
|
||||
auto end_it = matches.find_matching_end(beg_it->end_coord(),
|
||||
region.m_match_capture ? beg_it->capture
|
||||
: Optional<StringView>{});
|
||||
region.value->match_capture() ? beg_it->capture : Optional<StringView>{});
|
||||
|
||||
if (end_it == matches.end_matches.end() or end_it->end_coord() >= range.end)
|
||||
{
|
||||
regions.push_back({ {beg_it->line, beg_it->begin},
|
||||
range.end,
|
||||
region.m_name });
|
||||
region.key });
|
||||
break;
|
||||
}
|
||||
else
|
||||
{
|
||||
regions.push_back({ beg_it->begin_coord(),
|
||||
end_it->end_coord(),
|
||||
region.m_name });
|
||||
region.key });
|
||||
auto end_coord = end_it->end_coord();
|
||||
|
||||
// With empty begin and end matches (for example if the regexes
|
||||
|
|
@ -2034,8 +2103,8 @@ void register_highlighters()
|
|||
registry.insert({
|
||||
"group",
|
||||
{ create_highlighter_group,
|
||||
"Parameters: [-passes <passes>] <group name>\n"
|
||||
"Creates a named group that can contain other highlighters,\n"
|
||||
"Parameters: [-passes <passes>]\n"
|
||||
"Creates a group that can contain other highlighters,\n"
|
||||
"<passes> is a flags(colorize|move|wrap) defaulting to colorize\n"
|
||||
"which specify what kind of highlighters can be put in the group" } });
|
||||
registry.insert({
|
||||
|
|
@ -2083,13 +2152,26 @@ void register_highlighters()
|
|||
registry.insert({
|
||||
"regions",
|
||||
{ RegionsHighlighter::create,
|
||||
"Parameters: [-default <default group>] [-match-capture] <name> {<region name> <begin> <end> <recurse>}..."
|
||||
"Split the highlighting into regions defined by the <begin>, <end> and <recurse> regex\n"
|
||||
"The region <region name> starts at <begin> match, end at <end> match that does not\n"
|
||||
"close a <recurse> match. In between region is the <default group>.\n"
|
||||
"Highlighting a region is done by adding highlighters into the different <region name> subgroups.\n"
|
||||
"If -match-capture is specified, then regions end/recurse matches must have the same \\1\n"
|
||||
"capture content as the begin to be considered"} });
|
||||
"Parameters: None"
|
||||
"Holds child region highlighters and segments the buffer in ranges based on those regions\n"
|
||||
"definitions. The regions highlighter finds the next region to start by finding which\n"
|
||||
"of its child region has the leftmost starting point from current position. In between\n"
|
||||
"regions, the default-region child highlighter is applied (if such a child exists)" } });
|
||||
registry.insert({
|
||||
"region",
|
||||
{ RegionsHighlighter::create_region,
|
||||
"Parameters: [-match-capture] <begin> <end> <recurse> <type> <params>...\n."
|
||||
"Define a region for a regions highlighter, and apply the given delegate\n"
|
||||
"highlighter as defined by <type> and eventual <params>...\n"
|
||||
"The region starts at <begin> match and ends at the first <end> match that\n"
|
||||
"does not close a <recurse> match.\n"
|
||||
"If -match-capture is specified, then regions end/recurse matches must have\n"
|
||||
"the same \\1 capture content as the begin match to be considered"} });
|
||||
registry.insert({
|
||||
"default-region",
|
||||
{ RegionsHighlighter::create_default_region,
|
||||
"Parameters: <delegate_type> <delegate_params>...\n"
|
||||
"Define the default region of a regions highlighter" } });
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user