editor: Handling backspace/delete on the text boundries

[redakcja.git] / apps / catalogue / xml_tools.py

diff --git a/apps/catalogue/xml_tools.py b/apps/catalogue/xml_tools.py
old mode 100755 (executable)
new mode 100644 (file)
index 522806b..242714b
--- a/apps/catalogue/xml_tools.py
+++ b/apps/catalogue/xml_tools.py
@@ -1,6 +1,5 @@
 # -*- coding: utf-8 -*-
 from copy import deepcopy
-from functools import wraps
 import re
 
 from lxml import etree
@@ -14,110 +13,6 @@ class ParseError(BaseException):
     pass
 
 
-def obj_memoized(f):
-    """
-        A decorator that caches return value of object methods.
-        The cache is kept with the object, in a _obj_memoized property.
-    """
-    @wraps(f)
-    def wrapper(self, *args, **kwargs):
-        if not hasattr(self, '_obj_memoized'):
-            self._obj_memoized = {}
-        key = (f.__name__,) + args + tuple(sorted(kwargs.iteritems()))
-        try:
-            return self._obj_memoized[key]
-        except TypeError:
-            return f(self, *args, **kwargs)
-        except KeyError:
-            self._obj_memoized[key] = f(self, *args, **kwargs)
-            return self._obj_memoized[key]
-    return wrapper
-
-
-class GradedText(object):
-    _edoc = None
-
-    ROOT = 'utwor'
-    RDF = '{http://www.w3.org/1999/02/22-rdf-syntax-ns#}RDF'
-
-    def __init__(self, text):
-        self._text = text
-
-    @obj_memoized
-    def is_xml(self):
-        """
-            Determines if it's a well-formed XML.
-
-            >>> GradedText("<a/>").is_xml()
-            True
-            >>> GradedText("<a>").is_xml()
-            False
-        """
-        try:
-            self._edoc = etree.fromstring(self._text)
-        except etree.XMLSyntaxError:
-            return False
-        return True
-
-    @obj_memoized
-    def is_wl(self):
-        """
-            Determines if it's an XML with a <utwor> and a master tag.
-
-            >>> GradedText("<utwor><powiesc></powiesc></utwor>").is_wl()
-            True
-            >>> GradedText("<a></a>").is_wl()
-            False
-        """
-        if self.is_xml():
-            e = self._edoc
-            # FIXME: there could be comments
-            ret = e.tag == self.ROOT and (
-                len(e) == 1 and e[0].tag in MASTERS or
-                len(e) == 2 and e[0].tag == self.RDF 
-                    and e[1].tag in MASTERS)
-            if ret:
-                self._master = e[-1].tag
-            del self._edoc
-            return ret
-        else:
-            return False
-
-    @obj_memoized
-    def is_broken_wl(self):
-        """
-            Determines if it at least looks like broken WL file
-            and not just some untagged text.
-
-            >>> GradedText("<utwor><</utwor>").is_broken_wl()
-            True
-            >>> GradedText("some text").is_broken_wl()
-            False
-        """
-        if self.is_wl():
-            return True
-        text = self._text.strip()
-        return text.startswith('<utwor>') and text.endswith('</utwor>')
-
-    def master(self):
-        """
-            Gets the master tag.
-
-            >>> GradedText("<utwor><powiesc></powiesc></utwor>").master()
-            'powiesc'
-        """
-        assert self.is_wl()
-        return self._master
-
-    @obj_memoized
-    def has_trim_begin(self):
-        return RE_TRIM_BEGIN.search(self._text)
-
-    @obj_memoized
-    def has_trim_end(self):
-        return RE_TRIM_END.search(self._text)
-
-
 def _trim(text, trim_begin=True, trim_end=True):
     """ 
         Cut off everything before RE_TRIM_BEGIN and after RE_TRIM_END, so
@@ -153,26 +48,6 @@ def compile_text(parts):
     return "".join(texts)
 
 
-def change_master(text, master):
-    """
-        Changes the master tag in a WL document.
-    """
-    e = etree.fromstring(text)
-    e[-1].tag = master
-    return unicode(etree.tostring(e, encoding="utf-8"), 'utf-8')
-
-
-def basic_structure(text, master):
-    e = etree.fromstring('''<utwor>
-<master>
-<!--%s--><!--%s-->
-</master>
-</utwor>''' % (TRIM_BEGIN, TRIM_END))
-    e[0].tag = master
-    e[0][0].tail = "\n"*3 + text + "\n"*3
-    return unicode(etree.tostring(e, encoding="utf-8"), 'utf-8')
-
-
 def add_trim_begin(text):
     trim_tag = etree.Comment(TRIM_BEGIN)
     e = etree.fromstring(text)
@@ -230,7 +105,7 @@ def split_xml(text):
             for a in name_elem.findall('.//' + tag):
                 a.text=''
                 del a[:]
-        name = etree.tostring(name_elem, method='text', encoding='utf-8')
+        name = etree.tostring(name_elem, method='text', encoding='utf-8').strip()
 
         # in the original, remove everything from the start of the last chapter
         parent = element.getparent()