[Chinese-commits] [fqterm] 08/76: Add a script for downloading an article with ANSI color.

[Boyuan Yang]

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hosiet-guest pushed a commit to branch master
in repository fqterm.

commit 88c98119b6e8d6d30731cd0d3e7fb3f9af5557cb
Author: Iru Cai <mytbk920423 at gmail.com>
Date:   Mon Apr 7 20:32:41 2014 +0800

    Add a script for downloading an article with ANSI color.
    
    And it supports more BBS systems than the native copyArticle()
    function, but it's slower.
---
 res/script/downloadart.js | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/res/script/downloadart.js b/res/script/downloadart.js
new file mode 100644
index 0000000..f0fd212
--- /dev/null
+++ b/res/script/downloadart.js
@@ -0,0 +1,40 @@
+fqterm.importFile("utils.js");
+
+var saveFile = "/tmp/save.txt";
+var LastLine = 23;
+var timeout = 300;
+var retries = 5;
+// when the article is not completely read
+// there'll be a 'XX%' at the last line
+var r = new RegExp("%");
+var esc = new RegExp('\x1b\x1b','g');
+
+getAnsiLine = function(i){
+    var line = fqterm.getAttrText(i).replace(esc, "\x1b[");
+    return line+"\n";
+}
+    
+// first copy the previous lines
+for (var i=0; i<LastLine; ++i){
+    fqterm.appendFile(saveFile, getAnsiLine(i));
+}
+
+// then copy until article ends
+while (1){
+    var line = fqterm.getText(LastLine);
+    if (!r.exec(line)){ // article ends
+        break;
+    }
+    var prev = getAnsiLine(LastLine-1);
+    var cur;
+    fqterm.sendString("j");
+    for (var i=0; i<retries; i++){
+        var cur = getAnsiLine(LastLine-1);
+        if (prev == cur){
+            sleep(timeout);
+        }
+    }
+    fqterm.appendFile(saveFile, cur);
+}
+
+

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