XPath-based Parsing Framework (XPaF)

XPath-based Parsing Framework (XPaF) is a simple, fast, open-source parsing framework that makes it easy to extract relations (subject-predicate-object triples) from HTML and XML documents.

Documentation is available here.

Copyright 2011 Google Inc. All Rights Reserved.

Installation instructions

1. Install libraries (see platform-specific instructions below)

2. Build xpaf, run tests, and install

   ./autogen.sh
   ./configure
   make
   make check

3. Clean up

   make clean
   make maintainer-clean

Linux installation instructions

1. Install autotools

   apt-get install autoconf automake libtool

2. Install libraries

   apt-get install gflags libgtest-dev libprotobuf-dev libxml2 protobuf-compiler

3. Install re2 library

   hg clone https://re2.googlecode.com/hg re2
   cd re2
   make install

4. Run ldconfig to set up symlinks for libraries

   ldconfig -n /usr/lib /usr/local/lib

OS X installation instructions

1. Install Homebrew (http://brew.sh/)

2. Install libraries

   brew install automake libtool gflags libxml2 protobuf re2

3. Install gtest library

   curl -O https://googletest.googlecode.com/files/gtest-1.7.0.zip
   unzip gtest-1.7.0.zip
   cd gtest-1.7.0
   ./configure
   make
   cp -a include/gtest /usr/local/include
   cp -a lib/.libs/*.{a,dylib} /usr/local/lib/