Revision 1234
Added by Aaron Marcuse-Kubitza almost 13 years ago
| lib/xml_func.py | ||
|---|---|---|
| 7 | 7 |
import dates |
| 8 | 8 |
import exc |
| 9 | 9 |
import maps |
| 10 |
import strings |
|
| 10 | 11 |
import term |
| 11 | 12 |
import util |
| 12 | 13 |
import xml_dom |
| ... | ... | |
| 33 | 34 |
str_ = str(node) |
| 34 | 35 |
exc.add_msg(e, 'function:\n'+str_) |
| 35 | 36 |
xml_dom.replace(node, node.ownerDocument.createComment( |
| 36 |
'\n'+term.emph_multiline(str_))) |
|
| 37 |
'\n'+term.emph_multiline(str_).replace('--','-')))
|
|
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# comments can't contain '--' |
|
| 37 | 39 |
on_error(e) |
| 38 | 40 |
else: xml_dom.replace_with_text(node, value) |
| 39 | 41 |
|
| 40 | 42 |
def map_items(func, items): |
| 41 | 43 |
return [(name, func(value)) for name, value in items] |
| 42 | 44 |
|
| 45 |
def cast(type_, val): |
|
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'''Throws SyntaxException if can't cast''' |
|
| 47 |
try: return type_(val) |
|
| 48 |
except ValueError, e: raise SyntaxException(e) |
|
| 49 |
|
|
| 43 | 50 |
def conv_items(type_, items): |
| 44 |
def conv(val): |
|
| 45 |
try: return type_(val) |
|
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except ValueError, e: raise SyntaxException(e) |
|
| 47 |
return map_items(conv, xml_dom.TextEntryOnlyIter(items)) |
|
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return map_items(lambda val: cast(type_, val), |
|
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xml_dom.TextEntryOnlyIter(items)) |
|
| 48 | 53 |
|
| 49 | 54 |
#### XML functions |
| 50 | 55 |
|
| ... | ... | |
| 56 | 61 |
return None |
| 57 | 62 |
funcs['_ignore'] = _ignore |
| 58 | 63 |
|
| 64 |
def _eq(items): |
|
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items = dict(items) |
|
| 66 |
try: |
|
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left = items['left'] |
|
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right = items['right'] |
|
| 69 |
except KeyError: return '' # a value was None |
|
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return util.bool2str(left == right) |
|
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funcs['_eq'] = _eq |
|
| 72 |
|
|
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def _if(items): |
|
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items = dict(items) |
|
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try: |
|
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cond = items['cond'] |
|
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then = items['then'] |
|
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except KeyError, e: raise SyntaxException(e) |
|
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else_ = items.get('else', None)
|
|
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cond = bool(cast(str, cond)) |
|
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if cond: return then |
|
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else: return else_ |
|
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funcs['_if'] = _if |
|
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|
|
| 59 | 85 |
def _alt(items): |
| 60 | 86 |
items = list(items) |
| 61 | 87 |
items.sort() |
| ... | ... | |
| 64 | 90 |
funcs['_alt'] = _alt |
| 65 | 91 |
|
| 66 | 92 |
def _merge(items): |
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items = list(items) |
|
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items = list(conv_items(strings.ustr, items)) |
|
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# get *once* from iter and check types |
|
| 68 | 95 |
items.sort() |
| 69 | 96 |
return maps.merge_values(*[v for k, v in items]) |
| 70 | 97 |
funcs['_merge'] = _merge |
| ... | ... | |
| 198 | 225 |
out_items.append((part, ' '.join(value.split(' ')[slice_])))
|
| 199 | 226 |
return _name(out_items) |
| 200 | 227 |
funcs['_namePart'] = _namePart |
| 201 |
|
|
Also available in: Unified diff
xml_func.py: Added _if and _eq. Added cast() to throw SyntaxException if can't cast and use it in conv_items(). _merge: Check types of input using conv_items(strings.ustr, items).