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Diffstat (limited to 'plugins/pretty-print')
-rw-r--r-- | plugins/pretty-print/LICENSE | 202 | ||||
-rw-r--r-- | plugins/pretty-print/README.md | 2 | ||||
-rw-r--r-- | plugins/pretty-print/init.lua | 362 | ||||
-rw-r--r-- | plugins/pretty-print/plugin.json | 8 |
4 files changed, 574 insertions, 0 deletions
diff --git a/plugins/pretty-print/LICENSE b/plugins/pretty-print/LICENSE new file mode 100644 index 00000000000..8f71f43fee3 --- /dev/null +++ b/plugins/pretty-print/LICENSE @@ -0,0 +1,202 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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All Rights Reserved. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS-IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. + +--]] + +-- Luv port by Tim Caswell <tim@creationix.com> + +local exports = {} +exports.name = "luvit/pretty-print" +exports.version = "1.0.3" +exports.homepage = "https://github.com/luvit/luvit/blob/master/deps/pretty-print.lua" +exports.description = "A lua value pretty printer and colorizer for terminals." +exports.tags = {"colors", "tty"} +exports.license = "Apache 2" +exports.author = { name = "Tim Caswell" } + +local uv = require('luv') + +local prettyPrint, dump, strip, color, colorize, loadColors +local theme = {} +local useColors = false +local defaultTheme + +local stdout, stdin, stderr, width + +local quote, quote2, dquote, dquote2, obracket, cbracket, obrace, cbrace, comma, equals, controls + +local themes = { + -- nice color theme using 16 ansi colors + [16] = { + property = "0;37", -- white + sep = "1;30", -- bright-black + braces = "1;30", -- bright-black + + ["nil"] = "1;30", -- bright-black + boolean = "0;33", -- yellow + number = "1;33", -- bright-yellow + string = "0;32", -- green + quotes = "1;32", -- bright-green + escape = "1;32", -- bright-green + ["function"] = "0;35", -- purple + thread = "1;35", -- bright-purple + + table = "1;34", -- bright blue + userdata = "1;36", -- bright cyan + cdata = "0;36", -- cyan + + err = "1;31", -- bright red + success = "1;33;42", -- bright-yellow on green + failure = "1;33;41", -- bright-yellow on red + highlight = "1;36;44", -- bright-cyan on blue + }, + -- nice color theme using ansi 256-mode colors + [256] = { + property = "38;5;253", + braces = "38;5;247", + sep = "38;5;240", + + ["nil"] = "38;5;244", + boolean = "38;5;220", -- yellow-orange + number = "38;5;202", -- orange + string = "38;5;34", -- darker green + quotes = "38;5;40", -- green + escape = "38;5;46", -- bright green + ["function"] = "38;5;129", -- purple + thread = "38;5;199", -- pink + + table = "38;5;27", -- blue + userdata = "38;5;39", -- blue2 + cdata = "38;5;69", -- teal + + err = "38;5;196", -- bright red + success = "38;5;120;48;5;22", -- bright green on dark green + failure = "38;5;215;48;5;52", -- bright red on dark red + highlight = "38;5;45;48;5;236", -- bright teal on dark grey + }, +} + +local special = { + [7] = 'a', + [8] = 'b', + [9] = 't', + [10] = 'n', + [11] = 'v', + [12] = 'f', + [13] = 'r' +} + +function strip(str) + return string.gsub(str, '\027%[[^m]*m', '') +end + + +function loadColors(index) + if index == nil then index = defaultTheme end + + -- Remove the old theme + for key in pairs(theme) do + theme[key] = nil + end + + if index then + local new = themes[index] + if not new then error("Invalid theme index: " .. tostring(index)) end + -- Add the new theme + for key in pairs(new) do + theme[key] = new[key] + end + useColors = true + else + useColors = false + end + + quote = colorize('quotes', "'", 'string') + quote2 = colorize('quotes', "'") + dquote = colorize('quotes', '"', 'string') + dquote2 = colorize('quotes', '"') + obrace = colorize('braces', '{ ') + cbrace = colorize('braces', '}') + obracket = colorize('property', '[') + cbracket = colorize('property', ']') + comma = colorize('sep', ', ') + equals = colorize('sep', ' = ') + + controls = {} + for i = 0, 31 do + local c = special[i] + if not c then + if i < 10 then + c = "00" .. tostring(i) + else + c = "0" .. tostring(i) + end + end + controls[i] = colorize('escape', '\\' .. c, 'string') + end + controls[92] = colorize('escape', '\\\\', 'string') + controls[34] = colorize('escape', '\\"', 'string') + controls[39] = colorize('escape', "\\'", 'string') + for i = 128, 255 do + local c + if i < 100 then + c = "0" .. tostring(i) + else + c = tostring(i) + end + controls[i] = colorize('escape', '\\' .. c, 'string') + end + +end + +function color(colorName) + return '\27[' .. (theme[colorName] or '0') .. 'm' +end + +function colorize(colorName, string, resetName) + return useColors and + (color(colorName) .. tostring(string) .. color(resetName)) or + tostring(string) +end + +local function stringEscape(c) + return controls[string.byte(c, 1)] +end + +function dump(value, recurse, nocolor) + local seen = {} + local output = {} + local offset = 0 + local stack = {} + + local function recalcOffset(index) + for i = index + 1, #output do + local m = string.match(output[i], "\n([^\n]*)$") + if m then + offset = #(strip(m)) + else + offset = offset + #(strip(output[i])) + end + end + end + + local function write(text, length) + if not length then length = #(strip(text)) end + -- Create room for data by opening parent blocks + -- Start at the root and go down. + local i = 1 + while offset + length > width and stack[i] do + local entry = stack[i] + if not entry.opened then + entry.opened = true + table.insert(output, entry.index + 1, "\n" .. string.rep(" ", i)) + -- Recalculate the offset + recalcOffset(entry.index) + -- Bump the index of all deeper entries + for j = i + 1, #stack do + stack[j].index = stack[j].index + 1 + end + end + i = i + 1 + end + output[#output + 1] = text + offset = offset + length + if offset > width then + return dump(stack) + end + end + + local function indent() + stack[#stack + 1] = { + index = #output, + opened = false, + } + end + + local function unindent() + stack[#stack] = nil + end + + local function process(value) + local typ = type(value) + if typ == 'string' then + if string.match(value, "'") and not string.match(value, '"') then + write(dquote .. string.gsub(value, '[%c\\\128-\255]', stringEscape) .. dquote2) + else + write(quote .. string.gsub(value, "[%c\\'\128-\255]", stringEscape) .. quote2) + end + elseif typ == 'table' and not seen[value] then + if not recurse then seen[value] = true end + write(obrace) + local i = 1 + -- Count the number of keys so we know when to stop adding commas + local total = 0 + for _ in pairs(value) do total = total + 1 end + + local nextIndex = 1 + for k, v in pairs(value) do + indent() + if k == nextIndex then + -- if the key matches the last numerical index + 1 + -- This is how lists print without keys + nextIndex = k + 1 + process(v) + else + if type(k) == "string" and string.find(k,"^[%a_][%a%d_]*$") then + write(colorize("property", k) .. equals) + else + write(obracket) + process(k) + write(cbracket .. equals) + end + if type(v) == "table" then + process(v) + else + indent() + process(v) + unindent() + end + end + if i < total then + write(comma) + else + write(" ") + end + i = i + 1 + unindent() + end + write(cbrace) + else + write(colorize(typ, tostring(value))) + end + end + + process(value) + local s = table.concat(output, "") + return nocolor and strip(s) or s +end + +-- Print replacement that goes through libuv. This is useful on windows +-- to use libuv's code to translate ansi escape codes to windows API calls. +function _G.print(...) + local n = select('#', ...) + local arguments = {...} + for i = 1, n do + arguments[i] = tostring(arguments[i]) + end + uv.write(stdout, table.concat(arguments, "\t") .. "\n") +end + +function prettyPrint(...) + local n = select('#', ...) + local arguments = { ... } + + for i = 1, n do + arguments[i] = dump(arguments[i]) + end + + print(table.concat(arguments, "\t")) +end + +function strip(str) + return string.gsub(str, '\027%[[^m]*m', '') +end + +if uv.guess_handle(0) == 'tty' then + stdin = assert(uv.new_tty(0, true)) +else + stdin = uv.new_pipe(false) + uv.pipe_open(stdin, 0) +end + +if uv.guess_handle(1) == 'tty' then + stdout = assert(uv.new_tty(1, false)) + width = uv.tty_get_winsize(stdout) + if width == 0 then width = 80 end + -- auto-detect when 16 color mode should be used + local term = os.getenv("TERM") + if term == 'xterm' or term == 'xterm-256color' then + defaultTheme = 256 + else + defaultTheme = 16 + end +else + stdout = uv.new_pipe(false) + uv.pipe_open(stdout, 1) + width = 80 +end +loadColors() + +if uv.guess_handle(2) == 'tty' then + stderr = assert(uv.new_tty(2, false)) +else + stderr = uv.new_pipe(false) + uv.pipe_open(stderr, 2) +end + +exports.loadColors = loadColors +exports.theme = theme +exports.print = print +exports.prettyPrint = prettyPrint +exports.dump = dump +exports.color = color +exports.colorize = colorize +exports.stdin = stdin +exports.stdout = stdout +exports.stderr = stderr +exports.strip = strip + +return exports diff --git a/plugins/pretty-print/plugin.json b/plugins/pretty-print/plugin.json new file mode 100644 index 00000000000..556608c8dd6 --- /dev/null +++ b/plugins/pretty-print/plugin.json @@ -0,0 +1,8 @@ +{ + "plugin": { + "name": "pretty-print", + "version": "1.0.3", + "author": "Tim Caswell", + "type": "library", + } +}
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