xml/sax - x2j (XML 2 J) Examples
Contents
x2j1.ijs General declarations
Declarative XML to J transformer.
Convert XML document to J structures.
require 'xml/sax/x2j'
x2jclass 'px2j1'
'/' x2jElm (3 : 0) NB. document root (start/end Document)
root
:
root=: 0 0$0 NB. a table
)
'row' x2jElm (3 : 0)
root=: root,row NB. append to table
:
row=: '' NB. a list
)
'row/item' x2jElm (3 : 0)
NB. append boxed pair to list
row=: row,<('name';name),:'value';value
:
name=: ''
value=: '' NB. default to empty
)
'row/item/name' x2jChar (3 : 'name=: y')
'row/item/value' x2jChar (3 : 'value=: y')
NB. =========================================================
cocurrent 'base'
TESTX2J1=: 0 : 0
<table>
<row>
<item><name>Item 1.1</name><value>12.3</value></item>
<item><name>Item 1.2</name><value>45.6</value></item>
</row>
<row>
<item><name>Item 2.1</name><value>78.9</value></item>
<item><name>Item 2.2</name><value>67.8</value></item>
</row>
</table>
)
0 : 0 NB. Test
process_px2j1_ TESTX2J1
)process_px2j1_ TESTX2J1 +----------------+----------------+ |+-----+--------+|+-----+--------+| ||name |Item 1.1|||name |Item 1.2|| |+-----+--------+|+-----+--------+| ||value|12.3 |||value|45.6 || |+-----+--------+|+-----+--------+| +----------------+----------------+ |+-----+--------+|+-----+--------+| ||name |Item 2.1|||name |Item 2.2|| |+-----+--------+|+-----+--------+| ||value|78.9 |||value|67.8 || |+-----+--------+|+-----+--------+| +----------------+----------------+
x2j2.ijs Compact declarations
Declarative XML to J transformer.
Using compact definition.
require 'xml/sax/x2j'
x2jclass 'px2j2'
'Items' x2jDefn
/ := root : root=: 0 0$0
row := root=: root,row : row=: ''
row/item := row=: row,<('name';name),:'value';value : name=: value=: ''
row/item/name := name=: y
row/item/value := value=: y
)
NB. =========================================================
cocurrent 'base'
TESTX2J2=: 0 : 0
<table>
<row>
<item><name>Item 1.1</name><value>12.3</value></item>
<item><name>Item 1.2</name><value>45.6</value></item>
</row>
<row>
<item><name>Item 2.1</name><value>78.9</value></item>
<item><name>Item 2.2</name><value>67.8</value></item>
</row>
</table>
)
0 : 0 NB. Test
process_px2j2_ TESTX2J2
)process_px2j2_ TESTX2J2 +----------------+----------------+ |+-----+--------+|+-----+--------+| ||name |Item 1.1|||name |Item 1.2|| |+-----+--------+|+-----+--------+| ||value|12.3 |||value|45.6 || |+-----+--------+|+-----+--------+| +----------------+----------------+ |+-----+--------+|+-----+--------+| ||name |Item 2.1|||name |Item 2.2|| |+-----+--------+|+-----+--------+| ||value|78.9 |||value|67.8 || |+-----+--------+|+-----+--------+| +----------------+----------------+
x2j3.ijs Simple table
Declarative XML to J transformer.
HTML table using compact definition.
require 'xml/sax/x2j'
x2jclass 'px2j3'
'Items' x2jDefn
/ := table : table=: 0 0$0
tr := table=: table,row : row=: ''
td := row=: row,<y
)
NB. =========================================================
cocurrent 'base'
TESTX2J3=: 0 : 0
<table>
<tr>
<td>0 0</td><td>0 1</td><td>0 2</td><td>0 3</td>
</tr><tr>
<td>1 0</td><td>1 1</td><td>1 2</td><td>1 3</td>
</tr><tr>
<td>2 0</td><td>2 1</td><td>2 2</td><td>2 3</td>
</tr>
</table>
)
0 : 0 NB. Test
process_px2j3_ TESTX2J3
)process_px2j3_ TESTX2J3 +---+---+---+---+ |0 0|0 1|0 2|0 3| +---+---+---+---+ |1 0|1 1|1 2|1 3| +---+---+---+---+ |2 0|2 1|2 2|2 3| +---+---+---+---+
x2j4.ijs Mixed elements and attributes
Declarative XML to J transformer.
Elements and attributes using compact definition.
require 'xml/sax/x2j'
x2jclass 'px2j4'
'Items' x2jDefn
/ := table : table=: ,:'href';'title';'add';'mod';'visit'
bookmark := table=: table,h;t;a;m;v : 'h a m v'=: atr'href added modified visited'
bookmark/title := t=: y
)
NB. =========================================================
cocurrent 'base'
TESTX2J4=: 0 : 0
<xbel>
<title>Bookmarks</title>
<desc>Bookmarks</desc>
<folder id="rdf:#$FvPhC3" folded="no">
<bookmark href="http://www.mozilla.com/products/firefox/central.html">
<title>Getting Started</title>
</bookmark>
<bookmark href="http://fxfeeds.mozilla.com/" modified="1209052290">
<title>Latest Headlines</title>
</bookmark>
</folder>
<bookmark href="http://www.jsoftware.com/forumsearch" added="1159366136" visited="1207757057">
<title>Forum Search</title>
</bookmark>
<bookmark href="http://www.ubuntu.com/" added="1208996707" visited="1209047897">
<title>Ubuntu Home Page | Ubuntu</title>
</bookmark>
</xbel>
)
0 : 0 NB. Test
process_px2j4_ TESTX2J4
)process_px2j4_ TESTX2J4 +-------------------------------+----------------+----------+----------+----------+ |href |title |add |mod |visit | +-------------------------------+----------------+----------+----------+----------+ |http://www.mozilla.com/produ...|Getting Started |_1 |_1 |_1 | +-------------------------------+----------------+----------+----------+----------+ |http://fxfeeds.mozilla.com/ |Latest Headlines|_1 |1209052290|_1 | +-------------------------------+----------------+----------+----------+----------+ |http://www.jsoftware.com/for...|Forum Search |1159366136|_1 |1207757057| +-------------------------------+----------------+----------+----------+----------+ |http://www.ubuntu.com/ |Ubuntu Home Page|1208996707|_1 |1209047897| +-------------------------------+----------------+----------+----------+----------+