def pisaLoop(node, context, path=None, **kw):
if path is None:
path = []
# Initialize KW
if not kw:
kw = {
"margin-top": 0,
"margin-bottom": 0,
"margin-left": 0,
"margin-right": 0,
}
else:
kw = copy.copy(kw)
#indent = len(path) * " " # only used for debug print statements
# TEXT
if node.nodeType == Node.TEXT_NODE:
# print indent, "#", repr(node.data) #, context.frag
context.addFrag(node.data)
# context.text.append(node.value)
# ELEMENT
elif node.nodeType == Node.ELEMENT_NODE:
node.tagName = node.tagName.replace(":", "").lower()
if node.tagName in ("style", "script"):
return
path = copy.copy(path) + [node.tagName]
# Prepare attributes
attr = pisaGetAttributes(context, node.tagName, node.attributes)
#log.debug(indent + "<%s %s>" % (node.tagName, attr) + repr(node.attributes.items())) #, path
# Calculate styles
context.cssAttr = CSSCollect(node, context)
context.cssAttr = mapNonStandardAttrs(context.cssAttr, node, attr)
context.node = node
# Block?
PAGE_BREAK = 1
PAGE_BREAK_RIGHT = 2
PAGE_BREAK_LEFT = 3
pageBreakAfter = False
frameBreakAfter = False
display = lower(context.cssAttr.get("display", "inline"))
# print indent, node.tagName, display, context.cssAttr.get("background-color", None), attr
isBlock = (display == "block")
if isBlock:
context.addPara()
# Page break by CSS
if "-pdf-next-page" in context.cssAttr:
context.addStory(NextPageTemplate(str(context.cssAttr["-pdf-next-page"])))
if "-pdf-page-break" in context.cssAttr:
if str(context.cssAttr["-pdf-page-break"]).lower() == "before":
context.addStory(PageBreak())
if "-pdf-frame-break" in context.cssAttr:
if str(context.cssAttr["-pdf-frame-break"]).lower() == "before":
context.addStory(FrameBreak())
if str(context.cssAttr["-pdf-frame-break"]).lower() == "after":
frameBreakAfter = True
if "page-break-before" in context.cssAttr:
if str(context.cssAttr["page-break-before"]).lower() == "always":
context.addStory(PageBreak())
if str(context.cssAttr["page-break-before"]).lower() == "right":
context.addStory(PageBreak())
context.addStory(PmlRightPageBreak())
if str(context.cssAttr["page-break-before"]).lower() == "left":
context.addStory(PageBreak())
context.addStory(PmlLeftPageBreak())
if "page-break-after" in context.cssAttr:
if str(context.cssAttr["page-break-after"]).lower() == "always":
pageBreakAfter = PAGE_BREAK
if str(context.cssAttr["page-break-after"]).lower() == "right":
pageBreakAfter = PAGE_BREAK_RIGHT
if str(context.cssAttr["page-break-after"]).lower() == "left":
pageBreakAfter = PAGE_BREAK_LEFT
if display == "none":
# print "none!"
return
# Translate CSS to frags
# Save previous frag styles
context.pushFrag()
# Map styles to Reportlab fragment properties
CSS2Frag(context, kw, isBlock)
# EXTRAS
if "-pdf-keep-with-next" in context.cssAttr:
context.frag.keepWithNext = getBool(context.cssAttr["-pdf-keep-with-next"])
if "-pdf-outline" in context.cssAttr:
context.frag.outline = getBool(context.cssAttr["-pdf-outline"])
if "-pdf-outline-level" in context.cssAttr:
context.frag.outlineLevel = int(context.cssAttr["-pdf-outline-level"])
if "-pdf-outline-open" in context.cssAttr:
context.frag.outlineOpen = getBool(context.cssAttr["-pdf-outline-open"])
if "-pdf-word-wrap" in context.cssAttr:
context.frag.wordWrap = context.cssAttr["-pdf-word-wrap"]
# handle keep-in-frame
keepInFrameMode = None
keepInFrameMaxWidth = 0
keepInFrameMaxHeight = 0
if "-pdf-keep-in-frame-mode" in context.cssAttr:
value = str(context.cssAttr["-pdf-keep-in-frame-mode"]).strip().lower()
if value in ("shrink", "error", "overflow", "truncate"):
keepInFrameMode = value
if "-pdf-keep-in-frame-max-width" in context.cssAttr:
keepInFrameMaxWidth = getSize("".join(context.cssAttr["-pdf-keep-in-frame-max-width"]))
if "-pdf-keep-in-frame-max-height" in context.cssAttr:
keepInFrameMaxHeight = getSize("".join(context.cssAttr["-pdf-keep-in-frame-max-height"]))
# ignore nested keep-in-frames, tables have their own KIF handling
keepInFrame = keepInFrameMode is not None and context.keepInFrameIndex is None
if keepInFrame:
# keep track of current story index, so we can wrap everythink
# added after this point in a KeepInFrame
context.keepInFrameIndex = len(context.story)
# BEGIN tag
klass = globals().get("pisaTag%s" % node.tagName.replace(":", "").upper(), None)
obj = None
# Static block
elementId = attr.get("id", None)
staticFrame = context.frameStatic.get(elementId, None)
if staticFrame:
context.frag.insideStaticFrame += 1
oldStory = context.swapStory()
# Tag specific operations
if klass is not None:
obj = klass(node, attr)
obj.start(context)
# Visit child nodes
context.fragBlock = fragBlock = copy.copy(context.frag)
for nnode in node.childNodes:
pisaLoop(nnode, context, path, **kw)
context.fragBlock = fragBlock
# END tag
if obj:
obj.end(context)
# Block?
if isBlock:
context.addPara()
# XXX Buggy!
# Page break by CSS
if pageBreakAfter:
context.addStory(PageBreak())
if pageBreakAfter == PAGE_BREAK_RIGHT:
context.addStory(PmlRightPageBreak())
if pageBreakAfter == PAGE_BREAK_LEFT:
context.addStory(PmlLeftPageBreak())
if frameBreakAfter:
context.addStory(FrameBreak())
if keepInFrame:
# get all content added after start of -pdf-keep-in-frame and wrap
# it in a KeepInFrame
substory = context.story[context.keepInFrameIndex:]
context.story = context.story[:context.keepInFrameIndex]
context.story.append(
KeepInFrame(
content=substory,
maxWidth=keepInFrameMaxWidth,
maxHeight=keepInFrameMaxHeight))
context.keepInFrameIndex = None
# Static block, END
if staticFrame:
context.addPara()
for frame in staticFrame:
frame.pisaStaticStory = context.story
context.swapStory(oldStory)
context.frag.insideStaticFrame -= 1
# context.debug(1, indent, "</%s>" % (node.tagName))
# Reset frag style
context.pullFrag()
# Unknown or not handled
else:
# context.debug(1, indent, "???", node, node.nodeType, repr(node))
# Loop over children
for node in node.childNodes:
pisaLoop(node, context, path, **kw)
def pisaLoop(node, context, path=None, **kw):
if path is None:
path = []
# Initialize KW
if not kw:
kw = {
"margin-top": 0,
"margin-bottom": 0,
"margin-left": 0,
"margin-right": 0,
}
else:
kw = copy.copy(kw)
#indent = len(path) * " " # only used for debug print statements
# TEXT
if node.nodeType == Node.TEXT_NODE:
# print indent, "#", repr(node.data) #, context.frag
context.addFrag(node.data)
# context.text.append(node.value)
# ELEMENT
elif node.nodeType == Node.ELEMENT_NODE:
node.tagName = node.tagName.replace(":", "").lower()
if node.tagName in ("style", "script"):
return
path = copy.copy(path) + [node.tagName]
# Prepare attributes
attr = pisaGetAttributes(context, node.tagName, node.attributes)
#log.debug(indent + "<%s %s>" % (node.tagName, attr) + repr(node.attributes.items())) #, path
# Calculate styles
context.cssAttr = CSSCollect(node, context)
context.cssAttr = mapNonStandardAttrs(context.cssAttr, node, attr)
context.node = node
# Block?
PAGE_BREAK = 1
PAGE_BREAK_RIGHT = 2
PAGE_BREAK_LEFT = 3
pageBreakAfter = False
frameBreakAfter = False
display = lower(context.cssAttr.get("display", "inline"))
# print indent, node.tagName, display, context.cssAttr.get("background-color", None), attr
isBlock = (display == "block")
if isBlock:
context.addPara()
# Page break by CSS
if "-pdf-next-page" in context.cssAttr:
context.addStory(
NextPageTemplate(str(context.cssAttr["-pdf-next-page"])))
if "-pdf-page-break" in context.cssAttr:
if str(context.cssAttr["-pdf-page-break"]).lower() == "before":
context.addStory(PageBreak())
if "-pdf-frame-break" in context.cssAttr:
if str(context.cssAttr["-pdf-frame-break"]).lower(
) == "before":
context.addStory(FrameBreak())
if str(context.cssAttr["-pdf-frame-break"]).lower() == "after":
frameBreakAfter = True
if "page-break-before" in context.cssAttr:
if str(context.cssAttr["page-break-before"]).lower(
) == "always":
context.addStory(PageBreak())
if str(context.cssAttr["page-break-before"]).lower(
) == "right":
context.addStory(PageBreak())
context.addStory(PmlRightPageBreak())
if str(context.cssAttr["page-break-before"]).lower() == "left":
context.addStory(PageBreak())
context.addStory(PmlLeftPageBreak())
if "page-break-after" in context.cssAttr:
if str(context.cssAttr["page-break-after"]).lower(
) == "always":
pageBreakAfter = PAGE_BREAK
if str(context.cssAttr["page-break-after"]).lower() == "right":
pageBreakAfter = PAGE_BREAK_RIGHT
if str(context.cssAttr["page-break-after"]).lower() == "left":
pageBreakAfter = PAGE_BREAK_LEFT
if display == "none":
# print "none!"
return
# Translate CSS to frags
# Save previous frag styles
context.pushFrag()
# Map styles to Reportlab fragment properties
CSS2Frag(context, kw, isBlock)
# EXTRAS
if "-pdf-keep-with-next" in context.cssAttr:
context.frag.keepWithNext = getBool(
context.cssAttr["-pdf-keep-with-next"])
if "-pdf-outline" in context.cssAttr:
context.frag.outline = getBool(context.cssAttr["-pdf-outline"])
if "-pdf-outline-level" in context.cssAttr:
context.frag.outlineLevel = int(
context.cssAttr["-pdf-outline-level"])
if "-pdf-outline-open" in context.cssAttr:
context.frag.outlineOpen = getBool(
context.cssAttr["-pdf-outline-open"])
if "-pdf-word-wrap" in context.cssAttr:
context.frag.wordWrap = context.cssAttr["-pdf-word-wrap"]
# handle keep-in-frame
keepInFrameMode = None
keepInFrameMaxWidth = 0
keepInFrameMaxHeight = 0
if "-pdf-keep-in-frame-mode" in context.cssAttr:
value = str(
context.cssAttr["-pdf-keep-in-frame-mode"]).strip().lower()
if value in ("shrink", "error", "overflow", "truncate"):
keepInFrameMode = value
if "-pdf-keep-in-frame-max-width" in context.cssAttr:
keepInFrameMaxWidth = getSize("".join(
context.cssAttr["-pdf-keep-in-frame-max-width"]))
if "-pdf-keep-in-frame-max-height" in context.cssAttr:
keepInFrameMaxHeight = getSize("".join(
context.cssAttr["-pdf-keep-in-frame-max-height"]))
# ignore nested keep-in-frames, tables have their own KIF handling
keepInFrame = keepInFrameMode is not None and context.keepInFrameIndex is None
if keepInFrame:
# keep track of current story index, so we can wrap everythink
# added after this point in a KeepInFrame
context.keepInFrameIndex = len(context.story)
# BEGIN tag
klass = globals().get(
"pisaTag%s" % node.tagName.replace(":", "").upper(), None)
obj = None
# Static block
elementId = attr.get("id", None)
staticFrame = context.frameStatic.get(elementId, None)
if staticFrame:
context.frag.insideStaticFrame += 1
oldStory = context.swapStory()
# Tag specific operations
if klass is not None:
obj = klass(node, attr)
obj.start(context)
# Visit child nodes
context.fragBlock = fragBlock = copy.copy(context.frag)
for nnode in node.childNodes:
pisaLoop(nnode, context, path, **kw)
context.fragBlock = fragBlock
# END tag
if obj:
obj.end(context)
# Block?
if isBlock:
context.addPara()
# XXX Buggy!
# Page break by CSS
if pageBreakAfter:
context.addStory(PageBreak())
if pageBreakAfter == PAGE_BREAK_RIGHT:
context.addStory(PmlRightPageBreak())
if pageBreakAfter == PAGE_BREAK_LEFT:
context.addStory(PmlLeftPageBreak())
if frameBreakAfter:
context.addStory(FrameBreak())
if keepInFrame:
# get all content added after start of -pdf-keep-in-frame and wrap
# it in a KeepInFrame
substory = context.story[context.keepInFrameIndex:]
context.story = context.story[:context.keepInFrameIndex]
context.story.append(
KeepInFrame(content=substory,
maxWidth=keepInFrameMaxWidth,
maxHeight=keepInFrameMaxHeight))
context.keepInFrameIndex = None
# Static block, END
if staticFrame:
context.addPara()
for frame in staticFrame:
frame.pisaStaticStory = context.story
context.swapStory(oldStory)
context.frag.insideStaticFrame -= 1
# context.debug(1, indent, "</%s>" % (node.tagName))
# Reset frag style
context.pullFrag()
# Unknown or not handled
else:
# context.debug(1, indent, "???", node, node.nodeType, repr(node))
# Loop over children
for node in node.childNodes:
pisaLoop(node, context, path, **kw)