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| author | Paul McGuire <ptmcg@austin.rr.com> | 2012-10-02 04:55:56 +0000 |
|---|---|---|
| committer | Paul McGuire <ptmcg@austin.rr.com> | 2012-10-02 04:55:56 +0000 |
| commit | a7f9dda0668bfce4fba51df1bf2976b4a93a8bd5 (patch) | |
| tree | 57ea8bcf2e66532a36c833a7bc57cff9d5d0e4dd /src/examples/nested.py | |
| parent | f5d2b716ffb57b65660a7ee0bbf04332dfb29620 (diff) | |
| download | pyparsing-git-a7f9dda0668bfce4fba51df1bf2976b4a93a8bd5.tar.gz | |
Add example files to SVN
Diffstat (limited to 'src/examples/nested.py')
| -rw-r--r-- | src/examples/nested.py | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/examples/nested.py b/src/examples/nested.py new file mode 100644 index 0000000..bd529f5 --- /dev/null +++ b/src/examples/nested.py @@ -0,0 +1,30 @@ +#
+# nested.py
+# Copyright, 2007 - Paul McGuire
+#
+# Simple example of using nestedExpr to define expressions using
+# paired delimiters for grouping lists and sublists
+#
+
+from pyparsing import *
+import pprint
+
+data = """
+{
+ { item1 "item with } in it" }
+ {
+ {item2a item2b }
+ {item3}
+ }
+
+}
+"""
+
+# use {}'s for nested lists
+nestedItems = nestedExpr("{", "}")
+print( (nestedItems+stringEnd).parseString(data).asList() )
+
+# use default delimiters of ()'s
+mathExpr = nestedExpr()
+print( mathExpr.parseString( "((( ax + by)*C) *(Z | (E^F) & D))") )
+
|