Added JSON parser.

Author: ReFreezed

build/README.txt

@@ -85,7 +85,7 @@ LuaWebGen uses this folder structure for a website project:
     my-website/             -- Root of the website project.
         content/            -- All website content, including pages, images, CSS and JavaScript files.
             index.(html|md) -- Homepage/root index page.
-        data/               -- Optional data folder. Can contain Lua, TOML and XML files.
+        data/               -- Optional data folder. Can contain Lua, TOML, JSON and XML files.
         layouts/            -- All HTML layout templates.
             page.html       -- Default page layout template.
         output/             -- Where the built website ends up.

src/app.lua2p

@@ -337,8 +337,13 @@ local function setup()
 		table     = table,
 
 		-- Lua libraries.
-		lfs = lfs,
-		xml = xmlLib,
+		json = jsonLib,
+		lfs  = lfs,
+		xml  = xmlLib,
+
+		toml = { -- @Cleanup: Don't use 3rd party TOML library.
+			parse = dataParsers.toml,
+		},
 
 		-- Site objects. (Create at site generation.)
 		site = nil,

src/functions.lua2p

@@ -13,6 +13,7 @@
 	assert
 	attributeWith, attributeWithAny
 	cleanupPath
+	codepointToUtf8
 	countString, countSubString
 	createDirectory, isDirectoryEmpty, removeEmptyDirectories
 	createThumbnail
@@ -1434,6 +1435,13 @@ _G.dataParserIsBinary = {}
 -- 	return doc
 -- end
 
+dataParserIsBinary.json = false
+function dataParsers.json(dataStr, path)
+	local v, err = jsonLib.parse(dataStr, path)
+	if not v then  errorNoPos(err)  end
+	return v
+end
+
 dataParserIsBinary.lua = false
 function dataParsers.lua(dataStr, path)
 	local chunk, err = loadstring(dataStr, "@"..path)
@@ -2736,3 +2744,67 @@ function _G.countSubString(s, pos, posEnd, needle, plain)
 end
 
 
+
+local byteToString = string.char
+local tableInsert  = table.insert
+
+-- string = codepointToUtf8( cp )
+-- codepointToUtf8( cp, outputBuffer )
+function _G.codepointToUtf8(cp, buffer)
+	if cp < 0 or cp > 0x10ffff then
+		errorf("Codepoint %d is outside the valid range (0..10FFFF).", cp)
+	end
+
+	if cp >= 128 then
+		-- void
+	elseif buffer then
+		tableInsert(buffer, byteToString(cp))
+		return
+	else
+		return byteToString(cp)
+	end
+
+	local suffix = cp % 64
+	local c4     = 128 + suffix
+	cp           = (cp - suffix) / 64
+
+	if cp >= 32 then
+		-- void
+	elseif buffer then
+		tableInsert(buffer, byteToString(192+cp))
+		tableInsert(buffer, byteToString(c4))
+		return
+	else
+		return byteToString(192+cp, c4) -- @Speed @Memory
+	end
+
+	suffix   = cp % 64
+	local c3 = 128 + suffix
+	cp       = (cp - suffix) / 64
+
+	if cp >= 16 then
+		-- void
+	elseif buffer then
+		tableInsert(buffer, byteToString(224+cp))
+		tableInsert(buffer, byteToString(c3))
+		tableInsert(buffer, byteToString(c4))
+		return
+	else
+		return byteToString(224+cp, c3, c4) -- @Speed @Memory
+	end
+
+	suffix = cp % 64
+	cp     = (cp - suffix) / 64
+
+	if buffer then
+		tableInsert(buffer, byteToString(240+cp))
+		tableInsert(buffer, byteToString(128+suffix))
+		tableInsert(buffer, byteToString(c3))
+		tableInsert(buffer, byteToString(c4))
+		return
+	else
+		return byteToString(240+cp, 128+suffix, c3, c4) -- @Speed @Memory
+	end
+end
+
+

src/globals.lua2p

@@ -32,7 +32,7 @@ _G.AUTOBUILD_MIN_INTERVAL = 1.00
 _G.FILE_TYPE_SET       = {["markdown"]=true, ["html"]=true, ["othertemplate"]=true}
 _G.OUTPUT_CATEGORY_SET = {["page"]=true, ["template"]=true, ["raw"]=true}
 
-_G.DATA_FILE_EXTENSIONS = {"lua","toml","xml"}
+_G.DATA_FILE_EXTENSIONS = {"json","lua","toml","xml"}
 _G.IMAGE_EXTENSIONS     = {"png","jpg","jpeg","gif"}
 
 _G.NOOP = function()end
@@ -44,6 +44,7 @@ _G.NOOP = function()end
 _G.lfs = require"lfs"
 
 _G.dateLib     = require"date"
+_G.jsonLib     = require"json"
 _G.markdownLib = require"markdown"
 _G.tomlLib     = require"toml"
 _G.urlLib      = require"url"