From ec9590ba124762946e6933c0574e72162d88289e Mon Sep 17 00:00:00 2001
From: nicco <nicco.borgioli@gmail.com>
Date: Wed, 7 Feb 2018 11:46:19 +0100
Subject: [PATCH] Dist

---
 dist/actions.js  | 129 +++++++++++++++++++++++++++++++++++++++++++++++
 dist/blitz.js    |  47 +++++++++++++++++
 dist/compiler.js |  58 +++++++++++++++++++++
 dist/options.js  |  38 ++++++++++++++
 dist/parser.js   |  26 ++++++++++
 dist/util.js     |  74 +++++++++++++++++++++++++++
 6 files changed, 372 insertions(+)
 create mode 100644 dist/actions.js
 create mode 100644 dist/blitz.js
 create mode 100644 dist/compiler.js
 create mode 100644 dist/options.js
 create mode 100644 dist/parser.js
 create mode 100644 dist/util.js

diff --git a/dist/actions.js b/dist/actions.js
new file mode 100644
index 0000000..1b1b0de
--- /dev/null
+++ b/dist/actions.js
@@ -0,0 +1,129 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const compiler_1 = require("./compiler");
+const options_1 = require("./options");
+const util_1 = require("./util");
+const path_1 = require("path");
+const parser_1 = require("./parser");
+exports.comment = html => {
+    const tag = options_1.re.comment + options_1.re.ending;
+    const end = html.indexOf(tag);
+    if (end === -1)
+        throw new Error(options_1.error.parse.comment_not_closed);
+    return {
+        parts: [],
+        length: end + tag.length
+    };
+};
+exports.logic = html => {
+    const rexp = {
+        start: new RegExp(`${options_1.re.begin}\\${options_1.re.if} *\\${options_1.re.if_else}?${options_1.re.valid_variable} *${options_1.re.ending}`, 'g'),
+        else: new RegExp(`${options_1.re.begin} *\\${options_1.re.if_else} *${options_1.re.ending}`, 'g'),
+        end: RegExp(`${options_1.re.begin} *\\${options_1.re.closing_tag} *\\${options_1.re.if} *${options_1.re.ending}`, 'g'),
+    };
+    const current = {
+        found: rexp.start.exec(html),
+        variable: '',
+        inverted: false,
+    };
+    if (current.found === null || current.found.index !== 0)
+        throw new Error(options_1.error.parse.default);
+    current.variable = current.found[0].slice(options_1.re.begin.length + options_1.re.if.length, -options_1.re.ending.length).trim();
+    current.inverted = current.variable[0] === options_1.re.if_invert;
+    if (current.inverted)
+        current.variable = current.variable.slice(options_1.re.if_invert.length);
+    let next;
+    do {
+        next = {
+            start: rexp.start.exec(html),
+            else: rexp.else.exec(html),
+            end: rexp.end.exec(html),
+        };
+        if (next.end === null)
+            throw new Error(options_1.error.parse.default);
+    } while (next.start !== null && next.start.index < next.end.index);
+    const body = {
+        if: html.substring(current.found[0].length, next.end.index),
+        else: ''
+    };
+    return {
+        parts: [(data) => {
+                const ret = util_1.getFromObject(data, current.variable);
+                let isTrue = ret !== undefined && ret !== false && ret !== null && ret !== '';
+                if (current.inverted)
+                    isTrue = !isTrue;
+                if (isTrue)
+                    return compiler_1.compileBlock(body.if).parts;
+                else
+                    return compiler_1.compileBlock(body.else).parts;
+            }],
+        length: next.end.index + next.end[0].length
+    };
+};
+exports.importer = html => {
+    const end = html.indexOf(options_1.re.ending);
+    if (end === -1)
+        throw new Error(options_1.error.parse.include_not_closed);
+    const template_name = html.substring(options_1.re.begin.length + options_1.re.incude.length, end).trim();
+    const file_name = path_1.join(options_1.options.template_dir, `${template_name}.${options_1.options.template_ext}`);
+    const file = util_1.readFileSync(file_name);
+    return {
+        parts: compiler_1.compileBlock(file).parts,
+        length: end + options_1.re.ending.length
+    };
+};
+exports.variables = html => {
+    const end = html.indexOf(options_1.re.ending);
+    if (end === -1)
+        throw new Error(options_1.error.parse.variable_not_closed);
+    const variable_name = html.substring(options_1.re.begin.length, end).trim();
+    return {
+        parts: [(data) => {
+                const output = util_1.getFromObject(data, variable_name);
+                switch (typeof output) {
+                    case 'object':
+                        return JSON.stringify(output);
+                    default:
+                        return output;
+                }
+            }],
+        length: end + options_1.re.ending.length
+    };
+};
+exports.loop = html => {
+    const rexp = {
+        start: new RegExp(`${options_1.re.begin}\\${options_1.re.for} *${options_1.re.valid_variable} *${options_1.re.for_in} *${options_1.re.valid_variable} *${options_1.re.ending}`, 'g'),
+        end: RegExp(`${options_1.re.begin} *\\${options_1.re.closing_tag} *\\${options_1.re.for} *${options_1.re.ending}`, 'g'),
+    };
+    const current = {
+        found: rexp.start.exec(html),
+        variable: '',
+        arr: '',
+    };
+    if (current.found === null || current.found.index !== 0)
+        throw new Error(options_1.error.parse.default);
+    const statement = current.found[0].slice(options_1.re.begin.length + options_1.re.if.length, -options_1.re.ending.length).trim().split(options_1.re.for_in);
+    current.variable = statement[0].trim();
+    current.arr = statement[1].trim();
+    let next;
+    do {
+        next = {
+            start: rexp.start.exec(html),
+            end: rexp.end.exec(html),
+        };
+        if (next.end === null)
+            throw new Error(options_1.error.parse.default);
+    } while (next.start !== null && next.start.index < next.end.index);
+    html = html.substring(current.found[0].length, next.end.index);
+    return {
+        parts: [(data) => {
+                let ret = '';
+                for (const variable of util_1.getFromObject(data, current.arr)) {
+                    const newData = Object.assign({ [current.variable]: variable }, data);
+                    ret += parser_1.computeParts(compiler_1.compileBlock(html).parts, newData);
+                }
+                return ret;
+            }],
+        length: next.end.index + next.end[0].length
+    };
+};
diff --git a/dist/blitz.js b/dist/blitz.js
new file mode 100644
index 0000000..cea5738
--- /dev/null
+++ b/dist/blitz.js
@@ -0,0 +1,47 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const path = require("path");
+const util = require("./util");
+const parser = require("./parser");
+const compiler = require("./compiler");
+const options_1 = require("./options");
+const cache = new Map();
+function compile(html) {
+    return {
+        template: compiler.process(html),
+        time: Date.now()
+    };
+}
+function renderFile(file, data, callback) {
+    util.readFile(file).then(html => {
+        util.checksum(html, true).then(hash => {
+            if (options_1.options.caching && !cache.get(html))
+                cache.set(html, compile(html));
+            const compiled = cache.get(html);
+            if (compiled)
+                callback(null, parser.computeParts(compiled.template, data));
+            else
+                callback('Error: Chache not found', '');
+        });
+    });
+}
+exports.renderFile = renderFile;
+async function render(template_name, data) {
+    const template_path = path.join(options_1.options.template_dir, `${template_name}.${options_1.options.template_ext}`);
+    if (options_1.options.caching && !cache.get(template_name)) {
+        const html = await util.readFile(template_path);
+        if (html !== undefined)
+            cache.set(template_name, compile(html));
+        else {
+            'No file found'.log();
+            return '';
+        }
+    }
+    const compiled = cache.get(template_name);
+    if (compiled)
+        return parser.computeParts(compiled.template, data);
+    else
+        return '';
+}
+exports.render = render;
+exports._express = renderFile;
diff --git a/dist/compiler.js b/dist/compiler.js
new file mode 100644
index 0000000..dbe6265
--- /dev/null
+++ b/dist/compiler.js
@@ -0,0 +1,58 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const options_1 = require("./options");
+const actions = require("./actions");
+const rexp = Object.freeze({
+    begin: new RegExp(options_1.re.begin, 'g'),
+    end: new RegExp(options_1.re.ending, 'g'),
+});
+exports.compileBlock = part => {
+    let next;
+    const getNext = (s) => Object.freeze({
+        start: s.search(rexp.begin),
+        end: s.search(rexp.end),
+    });
+    let ret = {
+        parts: [],
+        length: NaN
+    };
+    function addToRet(item) {
+        ret.parts = ret.parts.concat(item);
+    }
+    next = getNext(part);
+    while (next.start !== -1) {
+        if (next.start === null || next.end === null)
+            throw new Error(options_1.error.parse.default);
+        addToRet(part.substr(0, next.start));
+        part = part.slice(next.start);
+        let func;
+        switch (part[options_1.re.begin.length]) {
+            case options_1.re.comment:
+                func = actions.comment;
+                break;
+            case options_1.re.if:
+                func = actions.logic;
+                break;
+            case options_1.re.for:
+                func = actions.loop;
+                break;
+            case options_1.re.incude:
+                func = actions.importer;
+                break;
+            default:
+                func = actions.variables;
+                break;
+        }
+        const result = func(part);
+        addToRet(result.parts);
+        part = part.slice(result.length);
+        next = getNext(part);
+    }
+    addToRet(part);
+    return ret;
+};
+function process(html, options = {}) {
+    const parts = exports.compileBlock(html).parts;
+    return parts;
+}
+exports.process = process;
diff --git a/dist/options.js b/dist/options.js
new file mode 100644
index 0000000..2ce0c76
--- /dev/null
+++ b/dist/options.js
@@ -0,0 +1,38 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+function isRender(obj) {
+    return typeof obj === 'string';
+}
+exports.isRender = isRender;
+exports.error = {
+    parse: {
+        default: 'Parse Error.',
+        import_recursion: 'Maximal recusion achieved in import module',
+        not_supported: 'Not supported yet',
+        comment_not_closed: 'Comment was not closed properly',
+        variable_not_closed: 'Variable was not closed properly',
+        include_not_closed: 'Include not closed',
+    },
+};
+exports.options = {
+    encoding: 'utf-8',
+    caching: true,
+    template_dir: './views',
+    template_ext: 'html',
+    compiled_dir: './cache',
+    compiled_ext: 'bjs',
+    max_recursion: 100,
+};
+exports.re = {
+    begin: '{{',
+    ending: '}}',
+    comment: '#',
+    incude: '>',
+    if: '?',
+    if_else: '!',
+    if_invert: '!',
+    for: '*',
+    for_in: 'in',
+    closing_tag: '/',
+    valid_variable: '[A-z](\\w|\\.)*?',
+};
diff --git a/dist/parser.js b/dist/parser.js
new file mode 100644
index 0000000..6987885
--- /dev/null
+++ b/dist/parser.js
@@ -0,0 +1,26 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const options_1 = require("./options");
+function computeParts(parts, data = {}) {
+    if (parts.length === 0)
+        return '';
+    return computePart(parts[0], data) + computeParts(parts.slice(1), data);
+}
+exports.computeParts = computeParts;
+function computePart(part, data = {}) {
+    if (options_1.isRender(part))
+        return part;
+    else
+        return computePartFunction(part, data);
+}
+function computePartFunction(func, data = {}) {
+    if (options_1.isRender(func))
+        return func;
+    else {
+        const ret = func(data);
+        if (options_1.isRender(ret))
+            return ret;
+        else
+            return computeParts(ret, data);
+    }
+}
diff --git a/dist/util.js b/dist/util.js
new file mode 100644
index 0000000..b408b09
--- /dev/null
+++ b/dist/util.js
@@ -0,0 +1,74 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const fs = require("fs");
+const crypto = require("crypto");
+String.prototype.log = function () {
+    console.log(this);
+};
+function readFile(url) {
+    return new Promise(res => {
+        fs.readFile(url, (err, data) => {
+            if (err)
+                throw new Error(`No such file: ${url}`);
+            else
+                res(data.toString());
+        });
+    });
+}
+exports.readFile = readFile;
+function readFileSync(url) {
+    return fs.readFileSync(url).toString();
+}
+exports.readFileSync = readFileSync;
+function writeFile(url, data) {
+    return new Promise(res => {
+        fs.writeFile(url, data, err => {
+            if (err)
+                res(false);
+            res(true);
+        });
+    });
+}
+exports.writeFile = writeFile;
+function writeFileSync(url, data) {
+    fs.writeFileSync(url, data);
+}
+exports.writeFileSync = writeFileSync;
+function fileExists(url) {
+    return new Promise(res => {
+        fs.exists(url, _ => {
+            res(_);
+        });
+    });
+}
+exports.fileExists = fileExists;
+function checksum(url, plain = false, alg = 'sha1') {
+    return new Promise(res => {
+        const hash = crypto.createHash(alg);
+        if (plain) {
+            res(hash.update(url).digest('hex'));
+        }
+        else {
+            const stream = fs.createReadStream(url);
+            stream.on('data', data => hash.update(data, 'utf8'));
+            stream.on('end', _ => { res(hash.digest('hex')); });
+        }
+    });
+}
+exports.checksum = checksum;
+function replaceBetween(start, end, str, replace) {
+    return str.substring(0, start) + replace + str.substring(end);
+}
+exports.replaceBetween = replaceBetween;
+function getFromObject(data, name) {
+    name = name.trim();
+    const valid = /^[A-z]\w*(\.[A-z]\w*|\[\d+\]|\[('|")\w+\2\]|\[[A-z]\w*\])*$/.test(name);
+    if (!valid)
+        return '';
+    name = name.replace(/('|")/g, '');
+    name = name.replace(/\[(\w+)\]/g, '.$1');
+    for (const i of name.split('.'))
+        data = data[i];
+    return data;
+}
+exports.getFromObject = getFromObject;