Create grep

grep.xml

@@ -0,0 +1,157 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!DOCTYPE muclient>
+<!-- Saved on Saturday, July 31, 2021, 10:24 PM -->
+<!-- MuClient version 5.07-pre -->
+
+<!-- Plugin "Grep" generated by Plugin Wizard -->
+
+<muclient>
+<plugin
+	name="grep"
+	author="Naricain"
+	id="679991ab2cdc79c2743f37a8"
+	language="Lua"
+	purpose="Search for matching lines with a command's output"
+	save_state="y"
+	date_written="2021-07-31 22:24:07"
+	requires="5.00"
+	sequence="-5000"
+	version="1.0"
+	>
+
+</plugin>
+
+<aliases>
+	<alias
+		match="^(?<cmd>.+) \| grep (?<query>.+)$"
+		script="grep"
+		name="grep"
+		enabled="y"
+		regexp="y"
+		sequence="100"
+		ignore_case="y"
+		echo_alias="y"
+		send_to="12" />
+	<alias
+		match="^grep reload$"
+		script="reload"
+		name="reload"
+		enabled="y"
+		regexp="y"
+		sequence="100"
+		ignore_case="y"
+		send_to="12" />
+</aliases>
+<triggers>
+	<trigger
+		match="^GREP START: \{(?<query>.+)\}$"
+		script="grep_start"
+		name="grep_start"
+		enabled="y"
+		regexp="y"
+		sequence="1"
+		keep_evaluating="y"
+		omit_from_output="y"
+		send_to="12" />
+
+	<trigger
+		match="^.*$"
+		script="grep_match"
+		name="grep_match"
+		enabled="n"
+		regexp="y"
+		sequence="100"
+		keep_evaluating="y"
+		omit_from_output="y"
+		send_to="12" />
+
+	<trigger
+		match="^GREP END$"
+		script="grep_end"
+		name="grep_end"
+		enabled="y"
+		regexp="y"
+		sequence="1"
+		omit_from_output="y"
+		send_to="12" />
+</triggers>
+
+<script>
+<![CDATA[
+	local current_grep_query
+
+	function reload()
+		InfoNote("Reloading ", "Grep")
+		Execute(GetAlphaOption("script_prefix") .. "DoAfterSpecial(1, \"ReloadPlugin('" .. GetPluginID() .. "')\", sendto.script)")
+	end
+
+	function generate_grep_query(query)
+		return rex.new(query, rex.flags().CASELESS)
+	end
+
+	function grep(name, line, wildcards)
+		local status = pcall(generate_grep_query, wildcards.query)
+		if status then
+			SendNoEcho("echo GREP START: {" .. wildcards.query .. "}")
+			SendNoEcho(wildcards.cmd)
+			SendNoEcho("echo GREP END")
+		else
+			InfoNote("Grep query ", wildcards.query, " is not a valid regular expression")
+		end
+	end
+
+	function grep_start(name, line, wildcards)
+		local status, query_regex = pcall(generate_grep_query, wildcards.query)
+		if status then
+			current_grep_query = query_regex
+			EnableTrigger("grep_match", true)
+		else
+			InfoNote("Grep query ", wildcards.query, " is not a valid regular expression")
+		end
+	end
+
+	function grep_match(name, line, wildcards, style)
+		-- print("line ", line)
+		if not current_grep_query then
+			InfoNote("Missing grep query")
+			EnableTrigger("grep_match", false)
+			return
+		end
+
+		if current_grep_query:match(line) then
+			for i, s in ipairs(style) do
+				NoteStyle(s.style)
+				ColourTell(RGBColourToName(s.textcolour), RGBColourToName(s.backcolour), s.text)
+			end
+			return Note("")
+		end
+	end
+
+	function grep_end()
+		current_grep_query = nil
+		EnableTrigger("grep_match", false)
+	end
+
+	local LOG_COLORS = {
+		INFO = "#A9A9A9",
+		INFO_HIGHLIGHT = "#4169E1",
+	}
+
+	function InfoNote(...)
+		log_with_alternating_note({"Grep: ",...}, LOG_COLORS.INFO_HIGHLIGHT, LOG_COLORS.INFO)
+	end
+
+	function log_with_alternating_note(messages, color1, color2, background)
+		if background == nil then
+			background = ""
+		end
+		for i, message in ipairs(messages) do
+			ColourTell(color1, background, message)
+			color1, color2 = color2, color1
+		end
+		Note("")
+	end
+
+]]>
+</script>
+</muclient>