From 5a5cfaf9ed069378696ae83527494009532db744 Mon Sep 17 00:00:00 2001
From: cosho <rizeupbass@gmail.com>
Date: Thu, 19 May 2016 02:22:18 +0900
Subject: [PATCH] (refs #15)Support SVGZ format.

---
 src/extension.ts | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/src/extension.ts b/src/extension.ts
index 92a7f67..6c2dd1a 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -11,6 +11,8 @@ const cp = require('copy-paste');
 const svgexport = require('svgexport');
 const path = require('path');
 const phantomjs = require('phantomjs-prebuilt');
+const zlib = require('zlib');
+
 export function activate(context: vscode.ExtensionContext) {
     
     // Check PhantomJS Binary   
@@ -44,6 +46,37 @@ export function activate(context: vscode.ExtensionContext) {
 
     context.subscriptions.push(open);
 
+    let openz = vscode.commands.registerCommand('svgviewer.opensvgz', () => {
+        vscode.window.showInputBox({
+            prompt: `Set svgz file path.`,
+            validateInput: checkSVGZPath
+        }).then(path => {
+            if (path) {
+                fs.readFile(path).then(file => {
+                    zlib.gunzip(file, function (err, data) {
+                        if (err) {
+                            vscode.window.showErrorMessage('Gunzip: ' + err.toString());
+                            return;
+                        }
+                        let svg = (new Buffer(data, 'utf8')).toString()
+                        vscode.commands.executeCommand('workbench.action.files.newUntitledFile');
+                        let editor = vscode.window.activeTextEditor;
+                        while (!editor) {
+                            console.log(Date.now());
+                        }
+                        //setText(svg).then(console.log, console.error);
+                        editor.edit(eb => { eb.insert(new vscode.Position(0, 0), svg); });
+                        // vscode.TextEdit.insert(new vscode.Position(0, 0), svg);
+                        //editor.document.languageId = 'xml';
+
+                    });
+                });
+            }
+        })
+    });
+
+    context.subscriptions.push(openz);
+
     let saveas = vscode.commands.registerTextEditorCommand('svgviewer.saveas', (te, t) => {
         if (checkNoSvg(te.document)) return;
         let editor = vscode.window.activeTextEditor;
@@ -164,6 +197,15 @@ function exportPng(tmpobj: any, text: string, pngpath: string, w?: number, h?: n
         })
         .catch(e => vscode.window.showErrorMessage(e.message));
 }
+function checkSVGZPath(value: string): string {
+    try {
+        fs.accessSync(value, fs.F_OK);
+        if (value.toLowerCase().endsWith('.svgz')) return null;
+    } catch (e) {
+
+    }
+    return 'Please set a correct svgz file path.';
+}
 
 export function deactivate() {
 }