def end(self, tag):
curctx = super(PDFParseTarget, self).end(tag)
parent = self.parent
ss = self.req.pdf_styles
if (isinstance(curctx, npdml.NPDMLPageContext)
and isinstance(parent, npdml.NPDMLPageTemplateContext)):
self._page_tpls[curctx['id']] = curctx
elif (isinstance(curctx, npdml.NPDMLFrameContext)
and isinstance(parent, npdml.NPDMLPageContext)):
parent['frames'].append(curctx)
elif isinstance(curctx, npdml.NPDMLParagraphContext):
btext = None
if curctx.is_numbered:
btext = self.get_bullet(curctx)
para = Paragraph(curctx.get_data(),
ss[curctx.get('style', 'body')],
bulletText=btext)
if isinstance(parent, npdml.NPDMLCanvasContext):
parent.canvas.add((curctx, para))
else:
self.story.append(para)
elif isinstance(curctx, npdml.NPDMLTableCellContext):
para_style = 'body'
if isinstance(parent, npdml.NPDMLTableHeaderContext):
para_style = 'table_header'
if 'width' in curctx:
parent.widths.append(eval_length(curctx['width']))
else:
parent.widths.append(None)
para = Paragraph(curctx.get_data(),
ss[curctx.get('style', para_style)])
colspan = 1
rowspan = 1
if 'colspan' in curctx:
try:
colspan = int(curctx['colspan'])
except (TypeError, ValueError):
pass
if 'rowspan' in curctx:
try:
rowspan = int(curctx['rowspan'])
except (TypeError, ValueError):
pass
para.colspan = colspan
para.rowspan = rowspan
parent.cells.append(para)
if colspan > 1:
parent.cells.extend([''] * (colspan - 1))
elif isinstance(curctx, npdml.NPDMLTableRowContext):
parent.rows.append(curctx.cells)
if isinstance(curctx, npdml.NPDMLTableHeaderContext):
parent.has_header = True
if len(parent.widths) < len(curctx.widths):
parent.widths = curctx.widths
elif isinstance(curctx, npdml.NPDMLTableContext):
# FIXME: unhardcode spacing
kwargs = {
'colWidths': curctx.widths,
'spaceBefore': 8
}
if 'repeatRows' in curctx:
try:
kwargs['repeatRows'] = int(curctx['repeatRows'])
except (TypeError, ValueError):
pass
if 'align' in curctx:
value = curctx['align'].upper()
if value in ('LEFT', 'RIGHT', 'CENTER'):
kwargs['hAlign'] = value
extra_style = []
rowspans = {}
for rowidx, row in enumerate(curctx.rows):
for colidx in list(rowspans):
rowspans[colidx] -= 1
if rowspans[colidx] == 0:
del rowspans[colidx]
row.insert(colidx, '')
for colidx, col in enumerate(row):
if not isinstance(col, Paragraph):
continue
if col.colspan > 1 or col.rowspan > 1:
extra_style.append(('SPAN',
(colidx, rowidx),
(colidx + col.colspan - 1,
rowidx + col.rowspan - 1)))
if col.rowspan > 1:
# FIXME: proper backgrounds of spanned cells
extra_style.append(('ROWBACKGROUNDS',
(colidx, rowidx),
(colidx + col.colspan - 1,
rowidx + col.rowspan - 1),
(colors.white,)))
for idx in range(colidx, colidx + col.colspan):
rowspans[idx] = col.rowspan - 1
table = Table(curctx.rows, **kwargs)
table.setStyle(DefaultTableStyle(extra_style,
has_header=curctx.has_header))
self.story.append(table)
elif isinstance(curctx, npdml.NPDMLAnchorContext):
curctx.setdefault('color', 'blue')
markup = '<a %s>%s</a>' % (_attr_str(curctx), curctx.get_data())
parent.data.append(markup)
elif isinstance(curctx, npdml.NPDMLBoldContext):
markup = '<b>%s</b>' % (curctx.get_data(),)
parent.data.append(markup)
elif isinstance(curctx, npdml.NPDMLItalicContext):
markup = '<i>%s</i>' % (curctx.get_data(),)
parent.data.append(markup)
elif isinstance(curctx, npdml.NPDMLUnderlineContext):
markup = '<u>%s</u>' % (curctx.get_data(),)
parent.data.append(markup)
elif isinstance(curctx, npdml.NPDMLStrikethroughContext):
markup = '<strike>%s</strike>' % (curctx.get_data(),)
parent.data.append(markup)
elif isinstance(curctx, npdml.NPDMLSuperscriptContext):
markup = '<super>%s</super>' % (curctx.get_data(),)
parent.data.append(markup)
elif isinstance(curctx, npdml.NPDMLSubscriptContext):
markup = '<sub>%s</sub>' % (curctx.get_data(),)
parent.data.append(markup)
elif isinstance(curctx, npdml.NPDMLFontContext):
kwargs = {}
for attr in ('name', 'size', 'color'):
if attr in curctx:
kwargs[attr] = curctx[attr]
if len(kwargs):
markup = '<font %s>%s</font>' % (_attr_str(kwargs),
curctx.get_data())
parent.data.append(markup)
else:
parent.data.append(curctx.get_data())
elif isinstance(curctx, npdml.NPDMLImageContext):
kwargs = {}
src = urlparse.urlparse(curctx['src'])
# TODO: Support http, https, and vfs URLs
if src.scheme != 'file':
raise NotImplementedError('Only "file://" URLs '
'are implemented.')
image = src.path
if image.endswith('.svg') or image.endswith('.svgz'):
image = svglib.svg2rlg(image)
if isinstance(parent, npdml.NPDMLCanvasContext):
if isinstance(image, shapes.Drawing):
parent.canvas.add((curctx, image))
else:
x = eval_length(curctx.get('x', 0))
y = eval_length(curctx.get('y', 0))
# FIXME: we fail to position image properly when
# width/height are not given.
width = eval_length(curctx.get('width', 0))
height = eval_length(curctx.get('height', 0))
image = shapes.Image(x, - y - height, width, height, image)
parent.canvas.add(image)
else:
# TODO: support different scaling modes (kind=)
if 'width' in curctx:
kwargs['width'] = eval_length(curctx['width'])
if 'height' in curctx:
kwargs['height'] = eval_length(curctx['height'])
if 'align' in curctx:
value = curctx['align'].upper()
if value in ('LEFT', 'RIGHT', 'CENTER'):
kwargs['hAlign'] = value
# TODO: vAlign
if isinstance(image, shapes.Drawing):
for k, v in kwargs.items():
setattr(image, k, v)
self.story.append(image)
else:
self.story.append(Image(image, **kwargs))
elif isinstance(curctx, npdml.NPDMLTitleContext):
if isinstance(parent, npdml.NPDMLPageContext):
para = Paragraph(curctx.get_data(),
ss[curctx.get('style', 'title')])
self.story.append(para)
elif isinstance(parent, npdml.NPDMLMetadataContext):
self._title = curctx.get_data()
elif isinstance(parent, npdml.NPDMLSectionContext):
text = curctx.get_data()
para_text = text
sect_id = self.get_section_id()
dlevel = parent.depth
btext = None
if parent.is_numbered:
btext = self.get_bullet(curctx)
if parent.in_toc and dlevel > 0:
para_text = '<a name="%s"/>%s' % (sect_id,
text)
outline = '%s%s' % (
'' if btext is None else btext + ' ',
text)
self.story.append(OutlineEntryFlowable(outline,
sect_id,
dlevel - 1))
para = Paragraph(para_text,
ss[curctx.get('style',
'heading' + str(dlevel))],
bulletText=btext)
self.story.append(para)
elif isinstance(curctx, npdml.NPDMLCanvasContext):
self.story.append(curctx.canvas)
# Process canvas-only elements
if isinstance(parent, npdml.NPDMLCanvasContext):
canvas = parent.canvas
if isinstance(curctx, npdml.NPDMLLineContext):
x1 = eval_length(curctx.pop('x1', 0))
y1 = eval_length(curctx.pop('y1', 0))
x2 = eval_length(curctx.pop('x2'))
y2 = eval_length(curctx.pop('y2'))
canvas.add(shapes.Line(x1, -y1, x2, -y2, **curctx))
elif isinstance(curctx, npdml.NPDMLRectangleContext):
x = eval_length(curctx.pop('x', 0))
y = eval_length(curctx.pop('y', 0))
width = eval_length(curctx.pop('width'))
height = eval_length(curctx.pop('height', width))
rx = eval_length(curctx.pop('rx', 0))
ry = eval_length(curctx.pop('ry', 0))
curctx.setdefault('fillColor', None)
canvas.add(shapes.Rect(x, - y - height,
width, height,
rx, ry,
**curctx))
elif isinstance(curctx, npdml.NPDMLLabelContext):
x = eval_length(curctx.pop('x', 0))
y = eval_length(curctx.pop('y', 0))
curctx.setdefault('fontName', DEFAULT_FONT)
canvas.add(shapes.String(x, -y, curctx.get_data(), **curctx))
elif isinstance(curctx, npdml.NPDMLCircleContext):
cx = eval_length(curctx.pop('cx'))
cy = eval_length(curctx.pop('cy'))
radius = eval_length(curctx.pop('radius'))
curctx.setdefault('fillColor', None)
canvas.add(shapes.Circle(cx, -cy, radius, **curctx))
elif isinstance(curctx, npdml.NPDMLEllipseContext):
cx = eval_length(curctx.pop('cx'))
cy = eval_length(curctx.pop('cy'))
rx = eval_length(curctx.pop('rx'))
ry = eval_length(curctx.pop('ry'))
curctx.setdefault('fillColor', None)
canvas.add(shapes.Ellipse(cx, -cy, rx, ry, **curctx))
if isinstance(curctx, npdml.NPDMLBlock) and curctx._indenter:
self.story.append(Indenter(-curctx._indenter.left,
-curctx._indenter.right))