compress js

3rdparty/closure-compiler/COPYING

@@ -0,0 +1,202 @@
+
+                                 Apache License
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+                        http://www.apache.org/licenses/
+
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3rdparty/closure-compiler/README

@@ -0,0 +1,292 @@
+/*
+ * Copyright 2009 The Closure Compiler Authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//
+// Contents
+//
+
+The Closure Compiler performs checking, instrumentation, and
+optimizations on JavaScript code. The purpose of this README is to
+explain how to build and run the Closure Compiler.
+
+The Closure Compiler requires Java 6 or higher.
+http://www.java.com/
+
+
+//
+// Building The Closure Compiler
+//
+
+There are three ways to get a Closure Compiler executable.
+
+1) Use one we built for you.
+
+Pre-built Closure binaries can be found at
+http://code.google.com/p/closure-compiler/downloads/list
+
+
+2) Check out the source and build it with Apache Ant.
+
+First, check out the full source tree of the Closure Compiler. There
+are instructions on how to do this at the project site.
+http://code.google.com/p/closure-compiler/source/checkout
+
+Apache Ant is a cross-platform build tool.
+http://ant.apache.org/
+
+At the root of the source tree, there is an Ant file named
+build.xml. To use it, navigate to the same directory and type the
+command
+
+ant jar
+
+This will produce a jar file called "build/compiler.jar".
+
+
+3) Check out the source and build it with Eclipse.
+
+Eclipse is a cross-platform IDE.
+http://www.eclipse.org/
+
+Under Eclipse's File menu, click "New > Project ..." and create a
+"Java Project."  You will see an options screen. Give the project a
+name, select "Create project from existing source," and choose the
+root of the checked-out source tree as the existing directory. Verify
+that you are using JRE version 6 or higher.
+
+Eclipse can use the build.xml file to discover rules. When you
+navigate to the build.xml file, you will see all the build rules in
+the "Outline" pane. Run the "jar" rule to build the compiler in
+build/compiler.jar.
+
+
+//
+// Running The Closure Compiler
+//
+
+Once you have the jar binary, running the Closure Compiler is straightforward.
+
+On the command line, type
+
+java -jar compiler.jar
+
+This starts the compiler in interactive mode. Type
+
+var x = 17 + 25;
+
+then hit "Enter", then hit "Ctrl-Z" (on Windows) or "Ctrl-D" (on Mac or Linux)
+and "Enter" again. The Compiler will respond:
+
+var x=42;
+
+The Closure Compiler has many options for reading input from a file,
+writing output to a file, checking your code, and running
+optimizations. To learn more, type
+
+java -jar compiler.jar --help
+
+You can read more detailed documentation about the many flags at
+http://code.google.com/closure/compiler/docs/gettingstarted_app.html
+
+
+//
+// Compiling Multiple Scripts
+//
+
+If you have multiple scripts, you should compile them all together with
+one compile command.
+
+java -jar compiler.jar --js=in1.js --js=in2.js ... --js_output_file=out.js
+
+The Closure Compiler will concatenate the files in the order they're
+passed at the command line.
+
+If you need to compile many, many scripts together, you may start to
+run into problems with managing dependencies between scripts. You
+should check out the Closure Library. It contains functions for
+enforcing dependencies between scripts, and a tool called calcdeps.py
+that knows how to give scripts to the Closure Compiler in the right
+order.
+
+http://code.google.com/p/closure-library/
+
+//
+// Licensing
+//
+
+Unless otherwise stated, all source files are licensed under
+the Apache License, Version 2.0.
+
+
+-----
+Code under:
+src/com/google/javascript/rhino
+test/com/google/javascript/rhino
+
+URL: http://www.mozilla.org/rhino
+Version:  1.5R3, with heavy modifications
+License:  Netscape Public License and MPL / GPL dual license
+
+Description: A partial copy of Mozilla Rhino. Mozilla Rhino is an
+implementation of JavaScript for the JVM.  The JavaScript parser and
+the parse tree data structures were extracted and modified
+significantly for use by Google's JavaScript compiler.
+
+Local Modifications: The packages have been renamespaced. All code not
+relevant to parsing has been removed. A JsDoc parser and static typing
+system have been added.
+
+
+-----
+Code in:
+lib/rhino
+
+Rhino
+URL: http://www.mozilla.org/rhino
+Version:  Trunk
+License:  Netscape Public License and MPL / GPL dual license
+
+Description: Mozilla Rhino is an implementation of JavaScript for the JVM.
+
+Local Modifications: Minor changes to parsing JSDoc that usually get pushed
+up-stream to Rhino trunk.
+
+
+-----
+Code in:
+lib/args4j.jar
+
+Args4j
+URL: https://args4j.dev.java.net/
+Version: 2.0.16
+License: MIT
+
+Description:
+args4j is a small Java class library that makes it easy to parse command line
+options/arguments in your CUI application.
+
+Local Modifications: None.
+
+
+-----
+Code in:
+lib/guava.jar
+
+Guava Libraries
+URL: http://code.google.com/p/guava-libraries/
+Version:  15.0
+License: Apache License 2.0
+
+Description: Google's core Java libraries.
+
+Local Modifications: None.
+
+
+-----
+Code in:
+lib/jsr305.jar
+
+Annotations for software defect detection
+URL: http://code.google.com/p/jsr-305/
+Version: svn revision 47
+License: BSD License
+
+Description: Annotations for software defect detection.
+
+Local Modifications: None.
+
+
+-----
+Code in:
+lib/jarjar.jar
+
+Jar Jar Links
+URL: http://jarjar.googlecode.com/
+Version: 1.1
+License: Apache License 2.0
+
+Description:
+A utility for repackaging Java libraries.
+
+Local Modifications: None.
+
+
+----
+Code in:
+lib/junit.jar
+
+JUnit
+URL:  http://sourceforge.net/projects/junit/
+Version:  4.10
+License:  Common Public License 1.0
+
+Description: A framework for writing and running automated tests in Java.
+
+Local Modifications: None.
+
+
+---
+Code in:
+lib/protobuf-java.jar
+
+Protocol Buffers
+URL: http://code.google.com/p/protobuf/
+Version: 2.4.1
+License: New BSD License
+
+Description: Supporting libraries for protocol buffers,
+an encoding of structured data.
+
+Local Modifications: None
+
+
+---
+Code in:
+lib/ant.jar
+lib/ant-launcher.jar
+
+URL: http://ant.apache.org/bindownload.cgi
+Version: 1.8.1
+License: Apache License 2.0
+Description:
+  Ant is a Java based build tool. In theory it is kind of like "make"
+  without make's wrinkles and with the full portability of pure java code.
+
+Local Modifications: None
+
+
+---
+Code in:
+lib/json.jar
+URL: http://json.org/java/index.html
+Version: JSON version 20090211
+License: MIT license
+Description:
+JSON is a set of java files for use in transmitting data in JSON format.
+
+Local Modifications: None
+
+---
+Code in:
+tools/maven-ant-tasks-2.1.3.jar
+URL: http://maven.apache.org
+Version 2.1.3
+License: Apache License 2.0
+Description:
+  Maven Ant tasks are used to manage dependencies and to install/deploy to
+  maven repositories.
+
+Local Modifications: None

CMakeLists.txt

@@ -170,7 +170,7 @@ include(${CMAKE_SOURCE_DIR}/src/css_class_names.cmakelists.txt)
 configure_file (${CMAKE_SOURCE_DIR}/src/util/css_const.h.in ${CMAKE_SOURCE_DIR}/src/util/css_const.h)
 configure_file (${CMAKE_SOURCE_DIR}/share/base.css.in ${CMAKE_SOURCE_DIR}/share/base.css)
 configure_file (${CMAKE_SOURCE_DIR}/share/fancy.css.in ${CMAKE_SOURCE_DIR}/share/fancy.css)
-configure_file (${CMAKE_SOURCE_DIR}/share/pdf2htmlEX.js.in ${CMAKE_SOURCE_DIR}/share/pdf2htmlEX.js)
+configure_file (${CMAKE_SOURCE_DIR}/share/js_src/css_class_names.js.in ${CMAKE_SOURCE_DIR}/share/js_src/css_class_names.js)
 
 set(PDF2HTMLEX_SRC ${PDF2HTMLEX_SRC}
     src/Param.h
@@ -229,15 +229,19 @@ set(PDF2HTMLEX_SRC ${PDF2HTMLEX_SRC}
 add_executable(pdf2htmlEX ${PDF2HTMLEX_SRC})
 target_link_libraries(pdf2htmlEX ${PDF2HTMLEX_LIBS})
 
+add_custom_target(pdf2htmlEX.js ALL DEPENDS ${CMAKE_SOURCE_DIR}/share/pdf2htmlEX.js)
+add_custom_command(OUTPUT ${CMAKE_SOURCE_DIR}/share/pdf2htmlEX.js
+    COMMAND ${CMAKE_SOURCE_DIR}/share/js_src/compile.sh)
+
 install (TARGETS pdf2htmlEX DESTINATION bin)
 file (GLOB datafiles 
-    share/base.css
-    share/fancy.css
-    share/jquery.js
-    share/LICENSE
-    share/manifest
-    share/pdf2htmlEX.js
-    share/pdf2htmlEX-64x64.png
+    ${CMAKE_SOURCE_DIR}/share/base.css
+    ${CMAKE_SOURCE_DIR}/share/fancy.css
+    ${CMAKE_SOURCE_DIR}/share/jquery.js
+    ${CMAKE_SOURCE_DIR}/share/LICENSE
+    ${CMAKE_SOURCE_DIR}/share/manifest
+    ${CMAKE_SOURCE_DIR}/share/pdf2htmlEX.js
+    ${CMAKE_SOURCE_DIR}/share/pdf2htmlEX-64x64.png
     )
 install (FILES ${datafiles} DESTINATION share/pdf2htmlEX)
 install (FILES pdf2htmlEX.1 DESTINATION share/man/man1)

ChangeLog

@@ -1,4 +1,5 @@
 Developing v0.11
+* Compress JS with closure-compiler
 
 v0.10
 2013.10.17

TODO

@@ -1,4 +1,3 @@
-separate constant from JS; compress JS
 pdf:mobile device
 pdf:miui
 tmp dir: use pid

share/js_src/compile.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+# Compile and optimize JS code
+# Copyright 2013 Lu Wang <coolwanglu@gmail.com>
+
+# To enable closure-compiler, you need to install and configure JAVA environment
+# Read 3rdparty/closure-compiler/README for details
+
+
+BASEDIR=$(dirname $0)
+OUTPUT="$BASEDIR/../pdf2htmlEX.js"
+
+(echo "Compiling pdf2htmlEX.js with closure-compiler..." && \
+    tmpfile=$(mktemp 2>/dev/null) && \
+    java -jar "$BASEDIR/../../3rdparty/closure-compiler/compiler.jar" --compilation_level ADVANCED_OPTIMIZATIONS --process_jquery_primitives --js "$BASEDIR/jquery.js" --js "$BASEDIR/css_class_names.js" --js "$BASEDIR/viewer.js" > "$tmpfile" 2>/dev/null && \
+    cat "$BASEDIR/header.js" "$tmpfile" > "$OUTPUT" && \
+    rm -f -- "$tmpfile") || \
+(echo "Failed. Fall back to naive concatenation" && \
+cat "$BASEDIR/header.js" "$BASEDIR/jquery.js" "$BASEDIR/css_class_names.js" "$BASEDIR/viewer.js" > "$OUTPUT")
+
+

share/js_src/css_class_names.js.in

@@ -0,0 +1,24 @@
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab filetype=javascript : */
+/*
+ * css_class_names.js: declare css classes used in pdf2htmlEX
+ *
+ * Copyright 2012,2013 Lu Wang <coolwanglu@gmail.com> and other contributors
+ */
+ 
+/*
+ * Dependencies:
+ * jQuery
+ */
+
+'use strict';
+(function(pdf2htmlEX){
+  pdf2htmlEX.CSS_CLASS_NAMES = {
+    page_frame       : '@CSS_PAGE_FRAME_CN@',
+    page_decoration  : '@CSS_PAGE_DECORATION_CN@',
+    page_content_box : '@CSS_PAGE_CONTENT_BOX_CN@',
+    page_data        : '@CSS_PAGE_DATA_CN@',
+    background_image : '@CSS_BACKGROUND_IMAGE_CN@',
+    link             : '@CSS_LINK_CN@',
+    __dummy__        : 'no comma'
+  };
+})(window['pdf2htmlEX']);

share/js_src/header.js

@@ -0,0 +1,3 @@
+/* pdf2htmlEX.js * Copyright 2012,2013 Lu Wang <coolwanglu@gmail.com> and other contributors * https://github.com/coolwanglu/pdf2htmlex * https://github.com/coolwanglu/pdf2htmlEX/blob/master/share/LICENSE */
+/*! Depends on jQuery v@1.8.1 jquery.com | jquery.org/license */
+window.pdf2htmlEX = window.pdf2htmlEX || {};

share/js_src/viewer.js

@@ -1,46 +1,42 @@
 /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab filetype=javascript : */
 /*
- * pdf2htmlEX.js : a simple demo UI for pdf2htmlEX
+ * pdf2htmlEX.js : a simple UI for pdf2htmlEX
  *
- * handles UI events/actions/effects
- * Copyright 2012,2013 Lu Wang <coolwanglu@gmail.com>
+ * Copyright 2012,2013 Lu Wang <coolwanglu@gmail.com> and other contributors
+ */
+
+/*
+ * Dependencies:
+ * jQuery
+ * css_class_names.js
  */
 
 'use strict';
 
 /* The namespace */
-var pdf2htmlEX = (function(){
-  var pdf2htmlEX = new Object();
-
-  var CSS_CLASS_NAMES = {
-    page_frame       : '@CSS_PAGE_FRAME_CN@',
-    page_decoration  : '@CSS_PAGE_DECORATION_CN@',
-    page_content_box : '@CSS_PAGE_CONTENT_BOX_CN@',
-    page_data        : '@CSS_PAGE_DATA_CN@',
-    background_image : '@CSS_BACKGROUND_IMAGE_CN@',
-    link             : '@CSS_LINK_CN@',
-    __dummy__        : 'no comma'
-  };
+(function(pdf2htmlEX){
+  var CSS_CLASS_NAMES = pdf2htmlEX.CSS_CLASS_NAMES;
 
+  /* always use string keys to export them in closure-compiler */
   var DEFAULT_CONFIG = {
     // id of the element to put the pages in
-    container_id : 'page-container',
+    'container_id' : 'page-container',
     // id of the element for sidebar (to open and close)
-    sidebar_id : 'sidebar',
+    'sidebar_id' : 'sidebar',
     // id of the element for outline
-    outline_id : 'outline',
+    'outline_id' : 'outline',
     // class for the loading indicator
-    loading_indicator_cls : 'loading_indicator_cls',
+    'loading_indicator_cls' : 'loading_indicator_cls',
     // How many page shall we preload that are below the last visible page
-    preload_pages : 3,
+    'preload_pages' : 3,
     // Smooth zoom is enabled when the number of pages shown is less than the threshold
     // Otherwise page content is hidden and redrawn after a delay (function schedule_render).
     // 0: disable smooth zoom optimizations (less CPU usage but flickering on zoom)
-    smooth_zoom_threshold : 4,
+    'smooth_zoom_threshold' : 4,
     // how many ms should we wait before actually rendering the pages and after a scroll event
-    render_timeout : 100,
+    'render_timeout' : 100,
     // zoom ratio step for each zoom in/out event
-    scale_step : 0.9,
+    'scale_step' : 0.9,
 
     __dummy__        : 'no comma'
   };
@@ -153,7 +149,8 @@ var pdf2htmlEX = (function(){
     }
   });
 
-  pdf2htmlEX.Viewer = function(config) {
+  /* export pdf2htmlEX.Viewer */
+  var Viewer = pdf2htmlEX['Viewer'] = function(config) {
     this.config = $.extend({}, DEFAULT_CONFIG, config);
     this.pages_loading = {};
     this.init_before_loading_content();
@@ -162,7 +159,7 @@ var pdf2htmlEX = (function(){
     $(function(){_.init_after_loading_content();});
   };
 
-  $.extend(pdf2htmlEX.Viewer.prototype, {
+  $.extend(Viewer.prototype, {
     scale : 1,
 
     init_before_loading_content : function() {
@@ -621,6 +618,4 @@ var pdf2htmlEX = (function(){
 
     __last_member__ : 'no comma' /*,*/
   });
-
-  return pdf2htmlEX;
-})();
+})(window['pdf2htmlEX']);