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[WIP][Image size] Refactoring

pull/218/head
Louis 9 years ago
parent
6c29053a61
commit
29e0ac9f3a
6 changed files with 117 additions and 67 deletions
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  1. 2
      patacrep/data/templates/songs/chordpro/latex/content_image
  2. 30
      patacrep/songs/chordpro/__init__.py
  3. 5
      patacrep/songs/chordpro/ast.py
  4. 96
      patacrep/songs/chordpro/syntax.py
  5. 36
      test/test_song/image.csg
  6. 15
      test/test_song/image.csg.source

2
patacrep/data/templates/songs/chordpro/latex/content_image
View File

@ -1,6 +1,6 @@
(* block image *)
(* set image = content.filename|search_image|path2posix *)
(* if image *)
\image{(( image ))}
\image[(( content.size|render_size ))]{(( image ))}
(*- endif *)
(*- endblock *)

30
patacrep/songs/chordpro/__init__.py
View File

@ -97,15 +97,7 @@ class ChordproSong(Song):
@staticmethod
def _render_size(size):
if size == (None, None):
return ""
text = "size="
if size[0] != (None, None):
text += "".join(size[0])
text += "x"
if size[1] != (None, None):
text += "".join(size[1])
return text
raise NotImplementedError()
def _escape_specials(self, content, chars=None, *, translation_map=None):
if translation_map is None:
@ -216,6 +208,10 @@ class Chordpro2LatexSong(ChordproSong):
self.errors.append(new_error)
return error.babel
@staticmethod
def _render_size(size):
return "TODO"
class Chordpro2ChordproSong(ChordproSong):
"""Render chordpro song to chordpro code"""
@ -236,6 +232,22 @@ class Chordpro2ChordproSong(ChordproSong):
# pylint: disable=unused-variable
return filename
@staticmethod
def _render_size(size):
if size is None:
return ""
if size[0] == "size":
text = "size="
if size[1] != (None, None):
text += "".join(size[1])
text += "x"
if size[2] != (None, None):
text += "".join(size[2])
return text
if size[0] == "scale":
return "scale=" + size[1]
SONG_RENDERERS = {
"tsg": {
'csg': Chordpro2LatexSong,

5
patacrep/songs/chordpro/ast.py
View File

@ -416,10 +416,7 @@ class Image(Directive):
def __init__(self, filename, size=None):
self.filename = filename
if size is None:
self.size = (None, None)
else:
self.size = size
self.size = size
super().__init__("image", None)
class Tab(AST):

96
patacrep/songs/chordpro/syntax.py
View File

@ -125,6 +125,57 @@ 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:
self.error(
line=lineno,
message="Cannot parse image size '{}'.".format(argument),
)
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:
self.error(
line=lineno,
message="Cannot parse image size '{}'.".format(argument),
)
return None
return ('scale', match.groupdict()['scale'])
self.error(
line=lineno,
message="Cannot parse image size '{}'.".format(argument),
)
return None
def p_directive(self, symbols):
"""directive : LBRACE KEYWORD directive_next RBRACE
| LBRACE SPACE KEYWORD directive_next RBRACE
@ -174,41 +225,24 @@ class ChordproParser(Parser):
self._directives.append(define)
elif keyword == "image":
splitted = shlex.split(argument)
if len(splitted) == 1:
symbols[0] = ast.Image(splitted[0])
elif len(splitted) == 2:
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(splitted[1])
if match is None:
self.error(
line=symbols.lexer.lineno,
message="Cannot parse image size '{}'.".format(splitted[1]),
)
symbols[0] = ast.Error()
else:
groupdict = match.groupdict()
symbols[0] = ast.Image(
splitted[0],
(
(groupdict['widthvalue'], groupdict['widthunit']),
(groupdict['heightvalue'], groupdict['heightunit']),
),
)
else:
if len(splitted) < 1:
self.error(
line=symbols.lexer.lineno,
message="Too many arguments to 'image' directive.",
message="Missing filename for image directive",
)
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),
)
else:
directive = ast.Directive(keyword, argument)
if directive.inline:

36
test/test_song/image.csg
View File

@ -1,34 +1,40 @@
{image: image.png }
{lang: en}
{image: "image.png" }
{image: "image with spaces.png" }
{image: image.png size=20%x}
{image: "image with spaces.png" size=x20%}
{image: image.png size=20%x10%}
{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.png" size=2cmx}
{image: "image with spaces.png" size=x2cm}
{image: image.png size=2cmx1cm}
{image: "image.png" size=2cmx1cm}
{image: image.png size=2emx}
{image: "image.png" size=2emx}
{image: "image with spaces.png" size=x2em}
{image: image.png size=2emx1em}
{image: "image.png" size=2emx1em}
{image: image.png size=50ptx}
{image: "image.png" size=50ptx}
{image: "image with spaces.png" size=x50pt}
{image: image.png size=50ptx100pt}
{image: "image.png" size=50ptx100pt}
{image: image.png size=2.5cmx}
{image: "image.png" size=2.5cmx}
{image: "image with spaces.png" size=x2.5cm}
{image: image.png size=2.5cmx1.5cm}
{image: "image.png" size=2.5cmx1.5cm}
{image: "image.png" size=3cmx10pt}
{image: "image with spaces.png" size=10ptx3cm}
{image: "image.png" size=x}
{image: image.png size=3cmx10%}
{image: "image with spaces.png" size=10%x3cm}
{image: image.png size=x}
{image: "image.png" }
{image: "image with spaces.png" }
{image: "image with spaces.png" }

15
test/test_song/image.csg.source
View File

@ -1,9 +1,9 @@
{image: image.png}
{image: "image with spaces.png"}
{image: image.png size=20%x }
{image: "image with spaces.png" size=x20%}
{image: image.png size=20%x10%}
{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}
@ -21,11 +21,12 @@
{image: "image with spaces.png" size=x2.5cm}
{image: image.png size=2.5cmx1.5cm}
{image: image.png size=3cmx10%}
{image: "image with spaces.png" size=10%x3cm}
{image: image.png size=3cmx10pt}
{image: "image with spaces.png" size=10ptx3cm}
{image: image.png size=x}
{image: image.png error=foo}
{image: "image with spaces.png" image.png}
{image: "image with spaces.png" image.png image.png}
{image: "image with spaces.png" not_a_size}
{image: "image with spaces.png" too many arguments}
{image: image.png size=2exx3km}
{image: }

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