def test_sameFrag(self):
from _rl_accel import _sameFrag
class ABag:
def __init__(self,**kwd):
self.__dict__.update(kwd)
def __str__(self):
V=['%s=%r' % v for v in self.__dict__.items()]
V.sort()
return 'ABag(%s)' % ','.join(V)
a=ABag(fontName='Helvetica',fontSize=12, textColor="red", rise=0, underline=0, strike=0, link="aaaa")
b=ABag(fontName='Helvetica',fontSize=12, textColor="red", rise=0, underline=0, strike=0, link="aaaa")
for name in ("fontName", "fontSize", "textColor", "rise", "underline", "strike", "link"):
old = getattr(a,name)
assert _sameFrag(a,b)==1, "_sameFrag(%s,%s)!=1" % (a,b)
assert _sameFrag(b,a)==1, "_sameFrag(%s,%s)!=1" % (b,a)
setattr(a,name,None)
assert _sameFrag(a,b)==0, "_sameFrag(%s,%s)!=0" % (a,b)
assert _sameFrag(b,a)==0, "_sameFrag(%s,%s)!=0" % (b,a)
delattr(a,name)
assert _sameFrag(a,b)==0, "_sameFrag(%s,%s)!=0" % (a,b)
assert _sameFrag(b,a)==0, "_sameFrag(%s,%s)!=0" % (b,a)
delattr(b,name)
assert _sameFrag(a,b)==1, "_sameFrag(%s,%s)!=1" % (a,b)
assert _sameFrag(b,a)==1, "_sameFrag(%s,%s)!=1" % (b,a)
setattr(a,name,old)
setattr(b,name,old)
def breakLines(self, width):
"""
Returns a broken line structure. There are two cases
A) For the simple case of a single formatting input fragment the output is
A fragment specifier with
kind = 0
fontName, fontSize, leading, textColor
lines= A list of lines
Each line has two items.
1) unused width in points
2) word list
B) When there is more than one input formatting fragment the output is
A fragment specifier with
kind = 1
lines= A list of fragments each having fields
extraspace (needed for justified)
fontSize
words=word list
each word is itself a fragment with
various settings
This structure can be used to easily draw paragraphs with the various alignments.
You can supply either a single width or a list of widths; the latter will have its
last item repeated until necessary. A 2-element list is useful when there is a
different first line indent; a longer list could be created to facilitate custom wraps
around irregular objects."""
if type(width) <> ListType: maxWidths = [width]
else: maxWidths = width
lines = []
lineno = 0
style = self.style
fFontSize = float(style.fontSize)
#for bullets, work out width and ensure we wrap the right amount onto line one
_handleBulletWidth(self.bulletText, style, maxWidths)
maxWidth = maxWidths[0]
self.height = 0
frags = self.frags
nFrags = len(frags)
if nFrags == 1 and not hasattr(frags[0], 'cbDefn'):
f = frags[0]
fontSize = f.fontSize
fontName = f.fontName
words = hasattr(f, 'text') and split(f.text, ' ') or f.words
spaceWidth = stringWidth(' ', fontName, fontSize, self.encoding)
cLine = []
currentWidth = -spaceWidth # hack to get around extra space for word 1
for word in words:
#this underscores my feeling that Unicode throughout would be easier!
wordWidth = stringWidth(word, fontName, fontSize,
self.encoding)
newWidth = currentWidth + spaceWidth + wordWidth
if newWidth <= maxWidth or not len(cLine):
# fit one more on this line
cLine.append(word)
currentWidth = newWidth
else:
if currentWidth > self.width: self.width = currentWidth
#end of line
lines.append((maxWidth - currentWidth, cLine))
cLine = [word]
currentWidth = wordWidth
lineno += 1
try:
maxWidth = maxWidths[lineno]
except IndexError:
maxWidth = maxWidths[-1] # use the last one
#deal with any leftovers on the final line
if cLine != []:
if currentWidth > self.width: self.width = currentWidth
lines.append((maxWidth - currentWidth, cLine))
return f.clone(kind=0, lines=lines)
elif nFrags <= 0:
return ParaLines(kind=0,
fontSize=style.fontSize,
fontName=style.fontName,
textColor=style.textColor,
lines=[])
else:
if hasattr(self, 'blPara') and getattr(self, '_splitpara', 0):
#NB this is an utter hack that awaits the proper information
#preserving splitting algorithm
return self.blPara
n = 0
words = []
for w in _getFragWords(frags):
spaceWidth = stringWidth(' ', w[-1][0].fontName,
w[-1][0].fontSize)
if n == 0:
currentWidth = -spaceWidth # hack to get around extra space for word 1
maxSize = 0
wordWidth = w[0]
f = w[1][0]
if wordWidth > 0:
newWidth = currentWidth + spaceWidth + wordWidth
else:
newWidth = currentWidth
#test to see if this frag is a line break. If it is we will only act on it
#if the current width is non-negative or the previous thing was a deliberate lineBreak
lineBreak = hasattr(f, 'lineBreak')
endLine = (newWidth > maxWidth and n > 0) or lineBreak
if not endLine:
if lineBreak: continue #throw it away
nText = w[1][1]
if nText: n += 1
maxSize = max(maxSize, f.fontSize)
if words == []:
g = f.clone()
words = [g]
g.text = nText
elif not _sameFrag(g, f):
if currentWidth > 0 and (
(nText != '' and nText[0] != ' ')
or hasattr(f, 'cbDefn')):
if hasattr(g, 'cbDefn'):
i = len(words) - 1
while hasattr(words[i], 'cbDefn'):
i -= 1
words[i].text += ' '
else:
g.text += ' '
g = f.clone()
words.append(g)
g.text = nText
else:
if nText != '' and nText[0] != ' ':
g.text += ' ' + nText
for i in w[2:]:
g = i[0].clone()
g.text = i[1]
words.append(g)
maxSize = max(maxSize, g.fontSize)
currentWidth = newWidth
else: #either it won't fit, or it's a lineBreak tag
if lineBreak:
g = f.clone()
#del g.lineBreak
words.append(g)
if currentWidth > self.width: self.width = currentWidth
#end of line
lines.append(
FragLine(extraSpace=(maxWidth - currentWidth),
wordCount=n,
words=words,
fontSize=maxSize))
#start new line
lineno += 1
try:
maxWidth = maxWidths[lineno]
except IndexError:
maxWidth = maxWidths[-1] # use the last one
if lineBreak:
n = 0
words = []
continue
currentWidth = wordWidth
n = 1
maxSize = f.fontSize
g = f.clone()
words = [g]
g.text = w[1][1]
for i in w[2:]:
g = i[0].clone()
g.text = i[1]
words.append(g)
maxSize = max(maxSize, g.fontSize)
#deal with any leftovers on the final line
if words != []:
if currentWidth > self.width: self.width = currentWidth
lines.append(
ParaLines(extraSpace=(maxWidth - currentWidth),
wordCount=n,
words=words,
fontSize=maxSize))
return ParaLines(kind=1, lines=lines)
return lines
def breakLines(self, width):
"""
Returns a broken line structure. There are two cases
A) For the simple case of a single formatting input fragment the output is
A fragment specifier with
kind = 0
fontName, fontSize, leading, textColor
lines= A list of lines
Each line has two items.
1) unused width in points
2) word list
B) When there is more than one input formatting fragment the out put is
A fragment specifier with
kind = 1
lines= A list of fragments each having fields
extraspace (needed for justified)
fontSize
words=word list
each word is itself a fragment with
various settings
This structure can be used to easily draw paragraphs with the various alignments.
You can supply either a single width or a list of widths; the latter will have its
last item repeated until necessary. A 2-element list is useful when there is a
different first line indent; a longer list could be created to facilitate custom wraps
around irregular objects."""
if type(width) <> ListType: maxWidths = [width]
else: maxWidths = width
lines = []
lineno = 0
style = self.style
fFontSize = float(style.fontSize)
#for bullets, work out width and ensure we wrap the right amount onto line one
_handleBulletWidth(self.bulletText,style,maxWidths)
maxWidth = maxWidths[0]
self.height = 0
frags = self.frags
nFrags= len(frags)
if nFrags==1:
f = frags[0]
fontSize = f.fontSize
fontName = f.fontName
words = hasattr(f,'text') and split(f.text, ' ') or f.words
spaceWidth = stringWidth(' ', fontName, fontSize)
cLine = []
currentWidth = - spaceWidth # hack to get around extra space for word 1
for word in words:
wordWidth = stringWidth(word, fontName, fontSize)
newWidth = currentWidth + spaceWidth + wordWidth
if newWidth<=maxWidth or len(cLine)==0:
# fit one more on this line
cLine.append(word)
currentWidth = newWidth
else:
if currentWidth>self.width: self.width = currentWidth
#end of line
lines.append((maxWidth - currentWidth, cLine))
cLine = [word]
currentWidth = wordWidth
lineno = lineno + 1
try:
maxWidth = maxWidths[lineno]
except IndexError:
maxWidth = maxWidths[-1] # use the last one
#deal with any leftovers on the final line
if cLine!=[]:
if currentWidth>self.width: self.width = currentWidth
lines.append((maxWidth - currentWidth, cLine))
return f.clone(kind=0, lines=lines)
elif nFrags<=0:
return ParaLines(kind=0, fontSize=style.fontSize, fontName=style.fontName,
textColor=style.textColor, lines=[])
else:
if hasattr(self,'blPara'):
#NB this is an utter hack that awaits the proper information
#preserving splitting algorithm
return self.blPara
n = 0
nSp = 0
for w in _getFragWords(frags):
spaceWidth = stringWidth(' ',w[-1][0].fontName, w[-1][0].fontSize)
if n==0:
currentWidth = -spaceWidth # hack to get around extra space for word 1
words = []
maxSize = 0
wordWidth = w[0]
f = w[1][0]
if wordWidth>0:
newWidth = currentWidth + spaceWidth + wordWidth
else:
newWidth = currentWidth
if newWidth<=maxWidth or n==0:
# fit one more on this line
n = n + 1
maxSize = max(maxSize,f.fontSize)
nText = w[1][1]
if words==[]:
g = f.clone()
words = [g]
g.text = nText
elif not _sameFrag(g,f):
if currentWidth>0 and ((nText!='' and nText[0]!=' ') or hasattr(f,'cbDefn')):
if hasattr(g,'cbDefn'):
i = len(words)-1
while hasattr(words[i],'cbDefn'): i = i-1
words[i].text = words[i].text + ' '
else:
g.text = g.text + ' '
nSp = nSp + 1
g = f.clone()
words.append(g)
g.text = nText
else:
if nText!='' and nText[0]!=' ':
g.text = g.text + ' ' + nText
for i in w[2:]:
g = i[0].clone()
g.text=i[1]
words.append(g)
maxSize = max(maxSize,g.fontSize)
currentWidth = newWidth
else:
if currentWidth>self.width: self.width = currentWidth
#end of line
lines.append(FragLine(extraSpace=(maxWidth - currentWidth),wordCount=n,
words=words, fontSize=maxSize))
#start new line
lineno = lineno + 1
try:
maxWidth = maxWidths[lineno]
except IndexError:
maxWidth = maxWidths[-1] # use the last one
currentWidth = wordWidth
n = 1
maxSize = f.fontSize
g = f.clone()
words = [g]
g.text = w[1][1]
for i in w[2:]:
g = i[0].clone()
g.text=i[1]
words.append(g)
maxSize = max(maxSize,g.fontSize)
#deal with any leftovers on the final line
if words<>[]:
if currentWidth>self.width: self.width = currentWidth
lines.append(ParaLines(extraSpace=(maxWidth - currentWidth),wordCount=n,
words=words, fontSize=maxSize))
return ParaLines(kind=1, lines=lines)
return lines
