Google Ajax Search API Notes

Useful Links

• Google Ajax Search API from Google
  
• Something interesting
• nuSOAP

To start...

example01.htm: simple search using google Ajax web api (JavaScript)

google.php: (.txt file) hardcoded, using google Ajax web api, cracked code

example02.php: (.txt file) simple web crawler example to retrieve all urls at a web page; something interesting preg_match_all

** example03.php: (.txt file) simple web search using old google web api, nuSOAP

example04.php: (.txt file) simple example to link to ACCESS database, only works on my local PC as my web host does not support ACCESS, example04.txt

example05.php: (.txt file) simple html parser download from the Internet

example06.php: (.txt file) doGetCachedPage

example07.php: (.txt file) doGetCachedPage

example08.php: (.txt file) get file at url

example09_regular.php: (.txt file) regular expression, preg_match(), it takes four arguments

1. regular expression string
2. source string
3. array variable (stores matches)
4. optional fourth flag (0 if match is found; 1 if match is not found)

Quantifiers for Matching a Recurring Character

Symbol	Description	Example
*	Zero or more instances	a*
+	one or more instances	a+
?	Zero or one instance	a?
{n}	n instances	a{3}
{n,}	at least n instances	a{3,}
{,n}	Up to n instances	a{,2}
{n1, n2}	At least n1 instances, no more than n2 instances	a{1,2}

example10_regular.php: (.txt file)

1. Regular expression attempt to match as many characters as possible
2. Matching range of characters with character class; Negate a character with (^) character

Escape characters that match entire character types

example11_regular.php: (.txt file)

Escape characters that act as anchors

escape chracters to turn off their meaning. e.g. add backslash \ to a "." character to turn off the meaning

Working with subpatterns(), after defining a subpattern, you can treat it as it were itself a character or character class

example12_regular.php: (.txt file)

branches |, with 2 branches => match either the first pattern or the second

Finding Matches Globally with pre_match_all()

The array variable is populated with a multidimensional array, the first element contain every match
First element = every match of the complete regular expression
Additional element = contain matches that correspond to each atom (subpattern in parentheses)

example13_regular.php: (.txt file)

=====================================================================

CS412 Web Data Mgt & XML Homework 1

example04: (.txt file) view content of both tables: Document and Anchor

example14: (.txt file) delete all contents from both tables.

HW1_Query1.php: (.txt file) <select d1.url,d1.title from document d1 such that http://www.umr.edu -> d1;>

Hw1_Query2.php: (.txt file) select d1.url,d1.title from document d1 such that d1 mentions umr;

Hw1_Query3.php: (.txt file) Select d2.base,d2.label from document d1, anchor d2 such that d1 mentions xml where d1.length>100;

Hw1_Query4.php: (.txt file) select x.url from document x such that "http://www.w3c.org" =>|-> x where x.text contains "XML";