diff --git a/opds_catalog/FB2_22_xhtml.xsl b/opds_catalog/FB2_22_xhtml.xsl
index b1f49c7c7fdb445955998556a0578c48339acc97..6c8aa5123c1b046b1fa9e0a8077c3aa809643454 100644
--- a/opds_catalog/FB2_22_xhtml.xsl
+++ b/opds_catalog/FB2_22_xhtml.xsl
@@ -28,18 +28,15 @@
</style>
</head>
<body>
+ <h4 align="center">
+ <xsl:value-of select="fb:description/fb:title-info/fb:book-title"/>
+ </h4>
-
- <h4 align="center">
- <xsl:value-of select="fb:description/fb:title-info/fb:book-title"/>
- </h4>
-
-<xsl:for-each select="fb:description/fb:title-info/fb:coverpage/fb:image">
- <xsl:call-template name="image"/>
- </xsl:for-each>
+ <xsl:for-each select="fb:description/fb:title-info/fb:coverpage/fb:image">
+ <xsl:call-template name="image"/>
+ </xsl:for-each>
<xsl:for-each select="fb:description/fb:title-info/fb:annotation">
-
<div>
<xsl:call-template name="annotation"/>
</div>
@@ -100,7 +97,7 @@
</xsl:when>
<xsl:otherwise>
<li>
- <a href="#TOC_{generate-id()}"><xsl:value-of select="normalize-space(fb:title/fb:p[1] | @name)"/></a>
+ <a href="#TOC_{position()}"><xsl:value-of select="normalize-space(fb:title/fb:p[1] | @name)"/></a>
<xsl:if test="fb:section">
<ul><xsl:apply-templates select="fb:section" mode="toc"/></ul>
</xsl:if>
@@ -118,7 +115,7 @@
</xsl:template>
<xsl:template match="fb:section">
- <a name="TOC_{generate-id()}"></a>
+ <a name="TOC_{position()}"></a>
<xsl:if test="@id">
<xsl:element name="a">
<xsl:attribute name="name"><xsl:value-of select="@id"/></xsl:attribute>
@@ -133,7 +130,7 @@
<xsl:choose>
<xsl:when test="count(ancestor::node()) < 9">
<xsl:element name="{concat('h',count(ancestor::node())-3)}">
- <a name="TOC_{generate-id()}"></a>
+ <a name="TOC_{position()}"></a>
<xsl:if test="@id">
<xsl:element name="a">
<xsl:attribute name="name"><xsl:value-of select="@id"/></xsl:attribute>
@@ -175,7 +172,7 @@
</xsl:template>
<!-- p -->
<xsl:template match="fb:p">
- <div align="justify"><xsl:if test="@id">
+ <div id="{position()}" align="justify"><xsl:if test="@id">
<xsl:element name="a">
<xsl:attribute name="name"><xsl:value-of select="@id"/></xsl:attribute>
</xsl:element>
diff --git a/opds_catalog/migrations/0006_bookshelf_position.py b/opds_catalog/migrations/0006_bookshelf_position.py
new file mode 100644
index 0000000000000000000000000000000000000000..ec7655d24950bd77a89d3f5976e50c349fb12918
--- /dev/null
+++ b/opds_catalog/migrations/0006_bookshelf_position.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10 on 2017-03-27 16:10
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+ dependencies = [
+ ('opds_catalog', '0005_auto_20161204_2138'),
+ ]
+
+ operations = [
+ migrations.AddField(
+ model_name='bookshelf',
+ name='position',
+ field=models.FloatField(default=None, null=True),
+ ),
+ ]
diff --git a/opds_catalog/models.py b/opds_catalog/models.py
index 81c9a6e04686d7171157ea48ce61cb476510120f..4ed7f9d6dfb4eeb52e7b6cad53483d5861caf3ad 100644
--- a/opds_catalog/models.py
+++ b/opds_catalog/models.py
@@ -103,6 +103,7 @@ class bookshelf(models.Model):
user = models.ForeignKey(User, db_index=True)
book = models.ForeignKey(Book, db_index=True)
readtime = models.DateTimeField(null=False, default=timezone.now, db_index=True)
+ position = models.FloatField(null=True,default=None)
class CounterManager(models.Manager):
diff --git a/sopds_web_backend/templates/BookReader.html b/sopds_web_backend/templates/BookReader.html
index 85ae0f1e081a9555d0e79239c17eedf1bdb2b2f7..bbfcbf9d8186e9de43d1b86b04cdfa325f42d319 100644
--- a/sopds_web_backend/templates/BookReader.html
+++ b/sopds_web_backend/templates/BookReader.html
@@ -1,11 +1,100 @@
{% extends "sopds_main.html" %}
{% load i18n %}
+{% load staticfiles %}
{% block body %}
<script>
var BookID = {{ book_id }};
- document.addEventListener("DOMContentLoaded", function(event) {
- $('#ReaderBlock').load('{% url 'opds_catalog:read' book_id %}', function() {});
- });
+ var delay = 1000;
+ var timeout = null;
+
+ var waitForLoad = function(){
+ if (typeof jQuery != "undefined") {
+ LoadBook();
+ $(window).bind('scroll',function(){
+ clearTimeout(timeout);
+ timeout = setTimeout(function(){
+ SetPos();
+ },delay);
+ });
+ } else {
+ window.setTimeout(waitForLoad, 500);
+ }
+ };
+ window.setTimeout(waitForLoad, 500);
+
+ var ChangeBookDate = function(ID){
+
+ }
+
+ var SetPos = function(){
+ var CurrentPos = window.scrollY;
+ $.ajax( {
+ url: '{% url 'web:setpos' book_id %}?pos='+CurrentPos,
+ type: 'GET',
+ cache: false,
+ success: function() {
+ window.setTimeout(SetPos, 10000);
+ }
+ });
+ }
+
+ var GetPos = function(){
+ $.ajax( {
+ url: '{% url 'web:getpos' book_id %}',
+ type: 'GET',
+ cache: false,
+ success: function(data) {
+ window.scrollTo(0,data);
+ }
+ });
+ }
+
+ var LoadBook = function(){
+ if (localStorage.getItem(BookID)){
+ $("#ReaderBlock").html(LZString.decompress(localStorage.getItem(BookID)));
+ GetPos();
+ } else {
+ $.ajax( {
+ url: '{% url 'opds_catalog:read' book_id %}',
+ type: 'GET',
+ cache: true,
+ success: function(html) {
+ $("#ReaderBlock").html(html);
+
+ var StoreDates = {};
+ if (localStorage.getItem('StoreDates')) {
+ StoreDates = JSON.parse(localStorage.getItem('StoreDates'));
+ }
+ StoreDates[BookID] = Date();
+
+ var CompressedBook = LZString.compress(html);
+
+ var StoreBook = function(){
+ try {
+ localStorage.setItem(BookID,CompressedBook);
+ localStorage.setItem('StoreDates',JSON.stringify(StoreDates));
+ $('#DownloadBook').hide();
+ } catch (err) {
+ var Old = Date();
+ var OldBookID;
+ $.each(StoreDates,function(idx,el){
+ if (Old > el) {
+ Old = el;
+ OldBookID = idx;
+ }
+ })
+ localStorage.removeItem(OldBookID);
+ delete StoreDates[OldBookID];
+ StoreBook();
+ }
+ }
+ StoreBook();
+
+ GetPos();
+ }
+ });
+ }
+ }
</script>
-<div id="ReaderBlock"></div>
+<div id="ReaderBlock"><div id="DownloadBook" style="text-align: center;"><img src="{% static "images/download.gif" %}" style="width: 200px;height: 200px;"></div></div>
{% endblock %}{# body #}
\ No newline at end of file
diff --git a/sopds_web_backend/templates/sopds_main.html b/sopds_web_backend/templates/sopds_main.html
index 1b3e24993f1f511c1103175fb73e54cf44498f43..65ea1e0b6ba534fa10dd26a31209fcacec999a46 100644
--- a/sopds_web_backend/templates/sopds_main.html
+++ b/sopds_web_backend/templates/sopds_main.html
@@ -55,6 +55,7 @@
<script src="{% static "js/vendor/jquery.js" %}"></script>
<script src="{% static "js/vendor/foundation.min.js" %}"></script>
+ <script src="{% static "js/vendor/lz-string.js" %}"></script>
<script>
$(document).foundation();
diff --git a/sopds_web_backend/urls.py b/sopds_web_backend/urls.py
index 7ff1ef3f238e9e42c30956efcc2dd5ce51489946..edc4da5c8c3a097027e0dd06e02ccfadeef970b5 100644
--- a/sopds_web_backend/urls.py
+++ b/sopds_web_backend/urls.py
@@ -1,6 +1,3 @@
-import logging
-logging.basicConfig(filename='/var/www/sopds2/example.log',level=logging.DEBUG)
-
from django.conf.urls import url
from sopds_web_backend import views
@@ -18,5 +15,7 @@ urlpatterns = [
url(r'^logout/$',views.LogoutView, name='logout'),
url(r'^bs/delete/$',views.BSDelView, name='bsdel'),
url(r'^bs/clear/$', views.BSClearView, name='bsclear'),
+ url(r'^bs/setpos/(?P<book_id>[0-9]+)/$', views.BSSetPos, name='setpos'),
+ url(r'^bs/getpos/(?P<book_id>[0-9]+)/$', views.BSGetPos, name='getpos'),
url(r'^$',views.hello, name='main'),
]
diff --git a/sopds_web_backend/views.py b/sopds_web_backend/views.py
index 58149822b6897e287253e885538dc79c5329072b..2267dccef16de7ef118de5e7c077889627dd04c7 100644
--- a/sopds_web_backend/views.py
+++ b/sopds_web_backend/views.py
@@ -16,6 +16,7 @@ from constance import config
from opds_catalog.opds_paginator import Paginator as OPDS_Paginator
from sopds_web_backend.settings import HALF_PAGES_LINKS
+from django.http import HttpResponse
def sopds_login(function=None, redirect_field_name=REDIRECT_FIELD_NAME, url=None):
actual_decorator = user_passes_test(
@@ -506,6 +507,29 @@ def BSDelView(request):
return redirect("%s?searchtype=u"%reverse("web:searchbooks"))
+@sopds_login(url='web:login')
+def BSSetPos(request,book_id):
+ if request.GET:
+ pos = request.GET.get('pos', None)
+ else:
+ pos = None
+
+ pos = float(pos)
+
+ bookshelf.objects.filter(user=request.user, book=book_id).update(position=pos)
+
+ response = HttpResponse()
+ response.write('OK')
+
+ return response
+
+@sopds_login(url='web:login')
+def BSGetPos(request,book_id):
+ pos = bookshelf.objects.get(user=request.user, book=book_id).position
+ response = HttpResponse()
+ response.write(pos)
+ return response
+
@sopds_login(url='web:login')
def BSClearView(request):
bookshelf.objects.filter(user=request.user).delete()
diff --git a/static/images/download.gif b/static/images/download.gif
new file mode 100644
index 0000000000000000000000000000000000000000..0630e15099ce7a44609a569f7edaf402d6c8a0f1
Binary files /dev/null and b/static/images/download.gif differ
diff --git a/static/js/vendor/lz-string.js b/static/js/vendor/lz-string.js
new file mode 100644
index 0000000000000000000000000000000000000000..1194e25d7e9935a06891cd127288e799accc61a7
--- /dev/null
+++ b/static/js/vendor/lz-string.js
@@ -0,0 +1,506 @@
+// Copyright (c) 2013 Pieroxy <pieroxy@pieroxy.net>
+// This work is free. You can redistribute it and/or modify it
+// under the terms of the WTFPL, Version 2
+// For more information see LICENSE.txt or http://www.wtfpl.net/
+//
+// For more information, the home page:
+// http://pieroxy.net/blog/pages/lz-string/testing.html
+//
+// LZ-based compression algorithm, version 1.4.4
+var LZString = (function() {
+
+// private property
+var f = String.fromCharCode;
+var keyStrBase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+var keyStrUriSafe = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-$";
+var baseReverseDic = {};
+
+function getBaseValue(alphabet, character) {
+ if (!baseReverseDic[alphabet]) {
+ baseReverseDic[alphabet] = {};
+ for (var i=0 ; i<alphabet.length ; i++) {
+ baseReverseDic[alphabet][alphabet.charAt(i)] = i;
+ }
+ }
+ return baseReverseDic[alphabet][character];
+}
+
+var LZString = {
+ compressToBase64 : function (input) {
+ if (input == null) return "";
+ var res = LZString._compress(input, 6, function(a){return keyStrBase64.charAt(a);});
+ switch (res.length % 4) { // To produce valid Base64
+ default: // When could this happen ?
+ case 0 : return res;
+ case 1 : return res+"===";
+ case 2 : return res+"==";
+ case 3 : return res+"=";
+ }
+ },
+
+ decompressFromBase64 : function (input) {
+ if (input == null) return "";
+ if (input == "") return null;
+ return LZString._decompress(input.length, 32, function(index) { return getBaseValue(keyStrBase64, input.charAt(index)); });
+ },
+
+ compressToUTF16 : function (input) {
+ if (input == null) return "";
+ return LZString._compress(input, 15, function(a){return f(a+32);}) + " ";
+ },
+
+ decompressFromUTF16: function (compressed) {
+ if (compressed == null) return "";
+ if (compressed == "") return null;
+ return LZString._decompress(compressed.length, 16384, function(index) { return compressed.charCodeAt(index) - 32; });
+ },
+
+ //compress into uint8array (UCS-2 big endian format)
+ compressToUint8Array: function (uncompressed) {
+ var compressed = LZString.compress(uncompressed);
+ var buf=new Uint8Array(compressed.length*2); // 2 bytes per character
+
+ for (var i=0, TotalLen=compressed.length; i<TotalLen; i++) {
+ var current_value = compressed.charCodeAt(i);
+ buf[i*2] = current_value >>> 8;
+ buf[i*2+1] = current_value % 256;
+ }
+ return buf;
+ },
+
+ //decompress from uint8array (UCS-2 big endian format)
+ decompressFromUint8Array:function (compressed) {
+ if (compressed===null || compressed===undefined){
+ return LZString.decompress(compressed);
+ } else {
+ var buf=new Array(compressed.length/2); // 2 bytes per character
+ for (var i=0, TotalLen=buf.length; i<TotalLen; i++) {
+ buf[i]=compressed[i*2]*256+compressed[i*2+1];
+ }
+
+ var result = [];
+ buf.forEach(function (c) {
+ result.push(f(c));
+ });
+ return LZString.decompress(result.join(''));
+
+ }
+
+ },
+
+
+ //compress into a string that is already URI encoded
+ compressToEncodedURIComponent: function (input) {
+ if (input == null) return "";
+ return LZString._compress(input, 6, function(a){return keyStrUriSafe.charAt(a);});
+ },
+
+ //decompress from an output of compressToEncodedURIComponent
+ decompressFromEncodedURIComponent:function (input) {
+ if (input == null) return "";
+ if (input == "") return null;
+ input = input.replace(/ /g, "+");
+ return LZString._decompress(input.length, 32, function(index) { return getBaseValue(keyStrUriSafe, input.charAt(index)); });
+ },
+
+ compress: function (uncompressed) {
+ return LZString._compress(uncompressed, 16, function(a){return f(a);});
+ },
+ _compress: function (uncompressed, bitsPerChar, getCharFromInt) {
+ if (uncompressed == null) return "";
+ var i, value,
+ context_dictionary= {},
+ context_dictionaryToCreate= {},
+ context_c="",
+ context_wc="",
+ context_w="",
+ context_enlargeIn= 2, // Compensate for the first entry which should not count
+ context_dictSize= 3,
+ context_numBits= 2,
+ context_data=[],
+ context_data_val=0,
+ context_data_position=0,
+ ii;
+
+ for (ii = 0; ii < uncompressed.length; ii += 1) {
+ context_c = uncompressed.charAt(ii);
+ if (!Object.prototype.hasOwnProperty.call(context_dictionary,context_c)) {
+ context_dictionary[context_c] = context_dictSize++;
+ context_dictionaryToCreate[context_c] = true;
+ }
+
+ context_wc = context_w + context_c;
+ if (Object.prototype.hasOwnProperty.call(context_dictionary,context_wc)) {
+ context_w = context_wc;
+ } else {
+ if (Object.prototype.hasOwnProperty.call(context_dictionaryToCreate,context_w)) {
+ if (context_w.charCodeAt(0)<256) {
+ for (i=0 ; i<context_numBits ; i++) {
+ context_data_val = (context_data_val << 1);
+ if (context_data_position == bitsPerChar-1) {
+ context_data_position = 0;
+ context_data.push(getCharFromInt(context_data_val));
+ context_data_val = 0;
+ } else {
+ context_data_position++;
+ }
+ }
+ value = context_w.charCodeAt(0);
+ for (i=0 ; i<8 ; i++) {
+ context_data_val = (context_data_val << 1) | (value&1);
+ if (context_data_position == bitsPerChar-1) {
+ context_data_position = 0;
+ context_data.push(getCharFromInt(context_data_val));
+ context_data_val = 0;
+ } else {
+ context_data_position++;
+ }
+ value = value >> 1;
+ }
+ } else {
+ value = 1;
+ for (i=0 ; i<context_numBits ; i++) {
+ context_data_val = (context_data_val << 1) | value;
+ if (context_data_position ==bitsPerChar-1) {
+ context_data_position = 0;
+ context_data.push(getCharFromInt(context_data_val));
+ context_data_val = 0;
+ } else {
+ context_data_position++;
+ }
+ value = 0;
+ }
+ value = context_w.charCodeAt(0);
+ for (i=0 ; i<16 ; i++) {
+ context_data_val = (context_data_val << 1) | (value&1);
+ if (context_data_position == bitsPerChar-1) {
+ context_data_position = 0;
+ context_data.push(getCharFromInt(context_data_val));
+ context_data_val = 0;
+ } else {
+ context_data_position++;
+ }
+ value = value >> 1;
+ }
+ }
+ context_enlargeIn--;
+ if (context_enlargeIn == 0) {
+ context_enlargeIn = Math.pow(2, context_numBits);
+ context_numBits++;
+ }
+ delete context_dictionaryToCreate[context_w];
+ } else {
+ value = context_dictionary[context_w];
+ for (i=0 ; i<context_numBits ; i++) {
+ context_data_val = (context_data_val << 1) | (value&1);
+ if (context_data_position == bitsPerChar-1) {
+ context_data_position = 0;
+ context_data.push(getCharFromInt(context_data_val));
+ context_data_val = 0;
+ } else {
+ context_data_position++;
+ }
+ value = value >> 1;
+ }
+
+
+ }
+ context_enlargeIn--;
+ if (context_enlargeIn == 0) {
+ context_enlargeIn = Math.pow(2, context_numBits);
+ context_numBits++;
+ }
+ // Add wc to the dictionary.
+ context_dictionary[context_wc] = context_dictSize++;
+ context_w = String(context_c);
+ }
+ }
+
+ // Output the code for w.
+ if (context_w !== "") {
+ if (Object.prototype.hasOwnProperty.call(context_dictionaryToCreate,context_w)) {
+ if (context_w.charCodeAt(0)<256) {
+ for (i=0 ; i<context_numBits ; i++) {
+ context_data_val = (context_data_val << 1);
+ if (context_data_position == bitsPerChar-1) {
+ context_data_position = 0;
+ context_data.push(getCharFromInt(context_data_val));
+ context_data_val = 0;
+ } else {
+ context_data_position++;
+ }
+ }
+ value = context_w.charCodeAt(0);
+ for (i=0 ; i<8 ; i++) {
+ context_data_val = (context_data_val << 1) | (value&1);
+ if (context_data_position == bitsPerChar-1) {
+ context_data_position = 0;
+ context_data.push(getCharFromInt(context_data_val));
+ context_data_val = 0;
+ } else {
+ context_data_position++;
+ }
+ value = value >> 1;
+ }
+ } else {
+ value = 1;
+ for (i=0 ; i<context_numBits ; i++) {
+ context_data_val = (context_data_val << 1) | value;
+ if (context_data_position == bitsPerChar-1) {
+ context_data_position = 0;
+ context_data.push(getCharFromInt(context_data_val));
+ context_data_val = 0;
+ } else {
+ context_data_position++;
+ }
+ value = 0;
+ }
+ value = context_w.charCodeAt(0);
+ for (i=0 ; i<16 ; i++) {
+ context_data_val = (context_data_val << 1) | (value&1);
+ if (context_data_position == bitsPerChar-1) {
+ context_data_position = 0;
+ context_data.push(getCharFromInt(context_data_val));
+ context_data_val = 0;
+ } else {
+ context_data_position++;
+ }
+ value = value >> 1;
+ }
+ }
+ context_enlargeIn--;
+ if (context_enlargeIn == 0) {
+ context_enlargeIn = Math.pow(2, context_numBits);
+ context_numBits++;
+ }
+ delete context_dictionaryToCreate[context_w];
+ } else {
+ value = context_dictionary[context_w];
+ for (i=0 ; i<context_numBits ; i++) {
+ context_data_val = (context_data_val << 1) | (value&1);
+ if (context_data_position == bitsPerChar-1) {
+ context_data_position = 0;
+ context_data.push(getCharFromInt(context_data_val));
+ context_data_val = 0;
+ } else {
+ context_data_position++;
+ }
+ value = value >> 1;
+ }
+
+
+ }
+ context_enlargeIn--;
+ if (context_enlargeIn == 0) {
+ context_enlargeIn = Math.pow(2, context_numBits);
+ context_numBits++;
+ }
+ }
+
+ // Mark the end of the stream
+ value = 2;
+ for (i=0 ; i<context_numBits ; i++) {
+ context_data_val = (context_data_val << 1) | (value&1);
+ if (context_data_position == bitsPerChar-1) {
+ context_data_position = 0;
+ context_data.push(getCharFromInt(context_data_val));
+ context_data_val = 0;
+ } else {
+ context_data_position++;
+ }
+ value = value >> 1;
+ }
+
+ // Flush the last char
+ while (true) {
+ context_data_val = (context_data_val << 1);
+ if (context_data_position == bitsPerChar-1) {
+ context_data.push(getCharFromInt(context_data_val));
+ break;
+ }
+ else context_data_position++;
+ }
+ return context_data.join('');
+ },
+
+ decompress: function (compressed) {
+ if (compressed == null) return "";
+ if (compressed == "") return null;
+ return LZString._decompress(compressed.length, 32768, function(index) { return compressed.charCodeAt(index); });
+ },
+
+ _decompress: function (length, resetValue, getNextValue) {
+ var dictionary = [],
+ next,
+ enlargeIn = 4,
+ dictSize = 4,
+ numBits = 3,
+ entry = "",
+ result = [],
+ i,
+ w,
+ bits, resb, maxpower, power,
+ c,
+ data = {val:getNextValue(0), position:resetValue, index:1};
+
+ for (i = 0; i < 3; i += 1) {
+ dictionary[i] = i;
+ }
+
+ bits = 0;
+ maxpower = Math.pow(2,2);
+ power=1;
+ while (power!=maxpower) {
+ resb = data.val & data.position;
+ data.position >>= 1;
+ if (data.position == 0) {
+ data.position = resetValue;
+ data.val = getNextValue(data.index++);
+ }
+ bits |= (resb>0 ? 1 : 0) * power;
+ power <<= 1;
+ }
+
+ switch (next = bits) {
+ case 0:
+ bits = 0;
+ maxpower = Math.pow(2,8);
+ power=1;
+ while (power!=maxpower) {
+ resb = data.val & data.position;
+ data.position >>= 1;
+ if (data.position == 0) {
+ data.position = resetValue;
+ data.val = getNextValue(data.index++);
+ }
+ bits |= (resb>0 ? 1 : 0) * power;
+ power <<= 1;
+ }
+ c = f(bits);
+ break;
+ case 1:
+ bits = 0;
+ maxpower = Math.pow(2,16);
+ power=1;
+ while (power!=maxpower) {
+ resb = data.val & data.position;
+ data.position >>= 1;
+ if (data.position == 0) {
+ data.position = resetValue;
+ data.val = getNextValue(data.index++);
+ }
+ bits |= (resb>0 ? 1 : 0) * power;
+ power <<= 1;
+ }
+ c = f(bits);
+ break;
+ case 2:
+ return "";
+ }
+ dictionary[3] = c;
+ w = c;
+ result.push(c);
+ while (true) {
+ if (data.index > length) {
+ return "";
+ }
+
+ bits = 0;
+ maxpower = Math.pow(2,numBits);
+ power=1;
+ while (power!=maxpower) {
+ resb = data.val & data.position;
+ data.position >>= 1;
+ if (data.position == 0) {
+ data.position = resetValue;
+ data.val = getNextValue(data.index++);
+ }
+ bits |= (resb>0 ? 1 : 0) * power;
+ power <<= 1;
+ }
+
+ switch (c = bits) {
+ case 0:
+ bits = 0;
+ maxpower = Math.pow(2,8);
+ power=1;
+ while (power!=maxpower) {
+ resb = data.val & data.position;
+ data.position >>= 1;
+ if (data.position == 0) {
+ data.position = resetValue;
+ data.val = getNextValue(data.index++);
+ }
+ bits |= (resb>0 ? 1 : 0) * power;
+ power <<= 1;
+ }
+
+ dictionary[dictSize++] = f(bits);
+ c = dictSize-1;
+ enlargeIn--;
+ break;
+ case 1:
+ bits = 0;
+ maxpower = Math.pow(2,16);
+ power=1;
+ while (power!=maxpower) {
+ resb = data.val & data.position;
+ data.position >>= 1;
+ if (data.position == 0) {
+ data.position = resetValue;
+ data.val = getNextValue(data.index++);
+ }
+ bits |= (resb>0 ? 1 : 0) * power;
+ power <<= 1;
+ }
+ dictionary[dictSize++] = f(bits);
+ c = dictSize-1;
+ enlargeIn--;
+ break;
+ case 2:
+ return result.join('');
+ }
+
+ if (enlargeIn == 0) {
+ enlargeIn = Math.pow(2, numBits);
+ numBits++;
+ }
+
+ if (dictionary[c]) {
+ entry = dictionary[c];
+ } else {
+ if (c === dictSize) {
+ entry = w + w.charAt(0);
+ } else {
+ return null;
+ }
+ }
+ result.push(entry);
+
+ // Add w+entry[0] to the dictionary.
+ dictionary[dictSize++] = w + entry.charAt(0);
+ enlargeIn--;
+
+ w = entry;
+
+ if (enlargeIn == 0) {
+ enlargeIn = Math.pow(2, numBits);
+ numBits++;
+ }
+
+ }
+ }
+};
+ return LZString;
+})();
+
+if (typeof define === 'function' && define.amd) {
+ define(function () { return LZString; });
+} else if( typeof module !== 'undefined' && module != null ) {
+ module.exports = LZString
+} else if( typeof angular !== 'undefined' && angular != null ) {
+ angular.module('LZString', [])
+ .factory('LZString', function () {
+ return LZString;
+ });
+}