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Change syntax of image directive arguments: `{image: foo.png width=3cm height=2cm}`

pull/218/head
Louis 8 years ago
parent
60f6060885
commit
f4e124333e
8 changed files with 125 additions and 135 deletions
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  1. 33
      patacrep/songs/chordpro/__init__.py
  2. 4
      patacrep/songs/chordpro/ast.py
  3. 100
      patacrep/songs/chordpro/syntax.py
  4. 7
      test/test_book/syntax.tex.control
  5. 37
      test/test_book/syntax_datadir/songs/images.csg
  6. 35
      test/test_song/image.csg
  7. 37
      test/test_song/image.csg.source
  8. 7
      test/test_song/image.tsg

33
patacrep/songs/chordpro/__init__.py
View File

@ -206,18 +206,10 @@ class Chordpro2LatexSong(ChordproSong):
@staticmethod
def _render_size(size):
if size is None:
return ""
if size[0] == "size":
sizelist = []
width, height = size[1:3]
if all(width):
sizelist.append("width=" + "".join(width))
if all(height):
sizelist.append("height=" + "".join(height))
return ", ".join(sizelist)
if size[0] == "scale":
return "scale=" + size[1]
items = []
for name, value, unit in size:
items.append(name + "=" + value + unit)
return ", ".join(items)
class Chordpro2ChordproSong(ChordproSong):
"""Render chordpro song to chordpro code"""
@ -248,19 +240,10 @@ class Chordpro2ChordproSong(ChordproSong):
@staticmethod
def _render_size(size):
if size is None:
return ""
if size[0] == "size":
text = "size="
width, height = size[1:3]
if all(width):
text += "".join(width)
text += "x"
if all(height):
text += "".join(height)
return text
if size[0] == "scale":
return "scale=" + size[1]
items = []
for name, value, unit in size:
items.append(name + "=" + value + unit)
return " ".join(items)
SONG_RENDERERS = {

4
patacrep/songs/chordpro/ast.py
View File

@ -411,11 +411,13 @@ class Image(Directive):
.. attribute:: filename
The filename of the image.
.. attribute:: size
A tuple of ``(width, height)`` of the image. Both can be ``None``.
An iterable of tuples ``(type, float, unit)``.
"""
def __init__(self, filename, size=None):
self.filename = filename
if size is None:
size = []
self.size = size
super().__init__("image", None)

100
patacrep/songs/chordpro/syntax.py
View File

@ -125,56 +125,54 @@ class ChordproParser(Parser):
fingers=fingers,
)
def _parse_image_size(self, argument, *, lineno):
if argument is None:
return None
if argument.startswith("size="):
match = re.compile(
r"""
^
size=
((?P<widthvalue>\d*\.\d+|\d+)(?P<widthunit>%|cm|em|pt))?
x
((?P<heightvalue>\d*\.\d+|\d+)(?P<heightunit>%|cm|em|pt))?
$
""",
re.VERBOSE
).match(argument)
if match is None:
def _iter_raw_image_size_arguments(self, arguments, *, lineno):
for item in arguments:
prefix, _, suffix = item.partition("=")
if prefix in ['width', 'height']:
match = re.compile(
r"^(?P<value>(\d*\.\d+|\d+))(?P<unit>cm|em|pt)$",
re.VERBOSE,
).match(suffix)
if match is not None:
yield (prefix, match.groupdict()['value'], match.groupdict()['unit'])
continue
elif prefix in ['scale']:
match = re.compile(
r"^(?P<value>(\d*\.\d+|\d+))$",
re.VERBOSE,
).match(suffix)
if match is not None:
yield (prefix, match.groupdict()['value'], "")
continue
self.error(
line=lineno,
message="Image: Ignoring unparsable argument '{}'.".format(item),
)
def _iter_image_size_arguments(self, argument, *, lineno):
arguments = set()
for name, value, unit in self._iter_raw_image_size_arguments(argument, lineno=lineno):
if name in arguments:
self.error(
line=lineno,
message="Cannot parse image size '{}'.".format(argument),
message="Image: Ignoring extra {} argument.".format(name),
)
return None
groupdict = match.groupdict()
return (
'size',
(groupdict['widthvalue'], groupdict['widthunit']),
(groupdict['heightvalue'], groupdict['heightunit']),
)
elif argument.startswith("scale="):
match = re.compile(
r"""
^
scale=
(?P<scale>\d*\.\d+|\d+)
$
""",
re.VERBOSE
).match(argument)
if match is None:
continue
if (
name == "scale" and ("width" in arguments or "height" in arguments)
) or (
name in ["width", "height"] and "scale" in arguments
):
self.error(
line=lineno,
message="Cannot parse image size '{}'.".format(argument),
message=(
"Image: Ignoring '{}' argument: Cannot mix scale and "
"width or height argument."
).format(name),
)
return None
return ('scale', match.groupdict()['scale'])
self.error(
line=lineno,
message="Cannot parse image size '{}'.".format(argument),
)
return None
continue
arguments.add(name)
yield name, value, unit
def p_directive(self, symbols):
"""directive : LBRACE KEYWORD directive_next RBRACE
@ -233,19 +231,11 @@ class ChordproParser(Parser):
)
symbols[0] = ast.Error()
else:
if len(splitted) > 2:
self.error(
line=symbols.lexer.lineno,
message=(
"Ignoring extra arguments for image directive: " +
" ".join(['"{}"'.format(arg) for arg in splitted[2:]])
),
)
if len(splitted) == 1:
splitted.append(None)
symbols[0] = ast.Image(
splitted[0],
self._parse_image_size(splitted[1], lineno=symbols.lexer.lineno),
list(
self._iter_image_size_arguments(splitted[1:], lineno=symbols.lexer.lineno)
),
)
else:
directive = ast.Directive(keyword, argument)

7
test/test_book/syntax.tex.control
View File

@ -105,7 +105,7 @@ guitar,
\image[scale=.2]{img/image.png}
\image[scale=2]{img/image.png}
\image[scale=.20]{img/image with spaces.png}
\image[scale=1.2]{img/image.png}
@ -137,14 +137,17 @@ guitar,
\image[width=3cm, height=10pt]{img/image.png}
\image[width=10pt, height=3cm]{img/image with spaces.png}
\image[]{img/image.png}
\image[]{img/image.png}
\image[]{img/image.png}
\image[]{img/image with spaces.png}
\image[]{img/image with spaces.png}
\image[]{img/image.png}
\image[width=2cm]{img/image.png}
\image[width=2cm]{img/image.png}
\image[width=2cm]{img/image.png}
\endsong

37
test/test_book/syntax_datadir/songs/images.csg
View File

@ -1,32 +1,35 @@
{image: image.png}
{image: "image with spaces.png"}
{image: image.png scale=.2 }
{image: image.png scale=2 }
{image: "image with spaces.png" scale=.20}
{image: image.png scale=1.2}
{image: image.png size=2cmx}
{image: "image with spaces.png" size=x2cm}
{image: image.png size=2cmx1cm}
{image: image.png width=2cm}
{image: "image with spaces.png" height=2cm}
{image: image.png width=2cm height=1cm}
{image: image.png size=2emx}
{image: "image with spaces.png" size=x2em}
{image: image.png size=2emx1em}
{image: image.png width=2em}
{image: "image with spaces.png" height=2em}
{image: image.png width=2em height=1em}
{image: image.png size=50ptx}
{image: "image with spaces.png" size=x50pt}
{image: image.png size=50ptx100pt}
{image: image.png width=50pt}
{image: "image with spaces.png" height=50pt}
{image: image.png width=50pt height=100pt}
{image: image.png size=2.5cmx}
{image: "image with spaces.png" size=x2.5cm}
{image: image.png size=2.5cmx1.5cm}
{image: image.png width=2.5cm}
{image: "image with spaces.png" height=2.5cm}
{image: image.png width=2.5cm height=1.5cm}
{image: image.png size=3cmx10pt}
{image: "image with spaces.png" size=10ptx3cm}
{image: image.png size=x}
{image: image.png width=3cm height=10pt}
{image: "image with spaces.png" width=10pt height=3cm}
{image: image.png width= height=}
{image: image.png error=foo}
{image: "image with spaces.png" not_a_size}
{image: "image with spaces.png" too many arguments}
{image: image.png size=2exx3km}
{image: image.png width=2ex height=3km}
{image: image.png width=2cm width=3cm}
{image: image.png width=2cm scale=3cm}
{image: image.png width=2cm scale=3}
{image: }

35
test/test_song/image.csg
View File

@ -4,38 +4,41 @@
{image: "image with spaces.png" }
{image: "image.png" scale=.2}
{image: "image.png" scale=2}
{image: "image with spaces.png" scale=.20}
{image: "image.png" scale=1.2}
{image: "image.png" size=2cmx}
{image: "image with spaces.png" size=x2cm}
{image: "image.png" size=2cmx1cm}
{image: "image.png" width=2cm}
{image: "image with spaces.png" height=2cm}
{image: "image.png" width=2cm height=1cm}
{image: "image.png" size=2emx}
{image: "image with spaces.png" size=x2em}
{image: "image.png" size=2emx1em}
{image: "image.png" width=2em}
{image: "image with spaces.png" height=2em}
{image: "image.png" width=2em height=1em}
{image: "image.png" size=50ptx}
{image: "image with spaces.png" size=x50pt}
{image: "image.png" size=50ptx100pt}
{image: "image.png" width=50pt}
{image: "image with spaces.png" height=50pt}
{image: "image.png" width=50pt height=100pt}
{image: "image.png" size=2.5cmx}
{image: "image with spaces.png" size=x2.5cm}
{image: "image.png" size=2.5cmx1.5cm}
{image: "image.png" width=2.5cm}
{image: "image with spaces.png" height=2.5cm}
{image: "image.png" width=2.5cm height=1.5cm}
{image: "image.png" size=3cmx10pt}
{image: "image with spaces.png" size=10ptx3cm}
{image: "image.png" size=x}
{image: "image.png" width=3cm height=10pt}
{image: "image with spaces.png" width=10pt height=3cm}
{image: "image.png" }
{image: "image.png" }
{image: "image with spaces.png" }
{image: "image with spaces.png" }
{image: "image.png" }
{image: "image.png" width=2cm}
{image: "image.png" width=2cm}
{image: "image.png" width=2cm}

37
test/test_song/image.csg.source
View File

@ -1,32 +1,35 @@
{image: image.png}
{image: "image with spaces.png"}
{image: image.png scale=.2 }
{image: image.png scale=2 }
{image: "image with spaces.png" scale=.20}
{image: image.png scale=1.2}
{image: image.png size=2cmx}
{image: "image with spaces.png" size=x2cm}
{image: image.png size=2cmx1cm}
{image: image.png width=2cm}
{image: "image with spaces.png" height=2cm}
{image: image.png width=2cm height=1cm}
{image: image.png size=2emx}
{image: "image with spaces.png" size=x2em}
{image: image.png size=2emx1em}
{image: image.png width=2em}
{image: "image with spaces.png" height=2em}
{image: image.png width=2em height=1em}
{image: image.png size=50ptx}
{image: "image with spaces.png" size=x50pt}
{image: image.png size=50ptx100pt}
{image: image.png width=50pt}
{image: "image with spaces.png" height=50pt}
{image: image.png width=50pt height=100pt}
{image: image.png size=2.5cmx}
{image: "image with spaces.png" size=x2.5cm}
{image: image.png size=2.5cmx1.5cm}
{image: image.png width=2.5cm}
{image: "image with spaces.png" height=2.5cm}
{image: image.png width=2.5cm height=1.5cm}
{image: image.png size=3cmx10pt}
{image: "image with spaces.png" size=10ptx3cm}
{image: image.png size=x}
{image: image.png width=3cm height=10pt}
{image: "image with spaces.png" width=10pt height=3cm}
{image: image.png width= height=}
{image: image.png error=foo}
{image: "image with spaces.png" not_a_size}
{image: "image with spaces.png" too many arguments}
{image: image.png size=2exx3km}
{image: image.png width=2ex height=3km}
{image: image.png width=2cm width=3cm}
{image: image.png width=2cm scale=3cm}
{image: image.png width=2cm scale=3}
{image: }

7
test/test_song/image.tsg
View File

@ -11,7 +11,7 @@
\image[scale=.2]{img/image.png}
\image[scale=2]{img/image.png}
\image[scale=.20]{img/image with spaces.png}
\image[scale=1.2]{img/image.png}
@ -43,14 +43,17 @@
\image[width=3cm, height=10pt]{img/image.png}
\image[width=10pt, height=3cm]{img/image with spaces.png}
\image[]{img/image.png}
\image[]{img/image.png}
\image[]{img/image.png}
\image[]{img/image with spaces.png}
\image[]{img/image with spaces.png}
\image[]{img/image.png}
\image[width=2cm]{img/image.png}
\image[width=2cm]{img/image.png}
\image[width=2cm]{img/image.png}
\endsong
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