openpower/pandoc_img.py

   1 #!/usr/bin/env python3
   2
   3 import os
   4 import re
   5 import subprocess
   6 from pandocfilters import (toJSONFilter, RawInline, Space, Str, walk, Image,
   7                            Link)
   8
   9 """
  10 Pandoc filter for Markdown that converts most endnotes into
  11 Pandoc's inline notes. If input notes had multiple paragraphs,
  12 the paragraphs are joined by a space. But if an input note
  13 had any blocks other than paragraphs, the note is left as is.
  14 """
  15
  16 # inkscape -z sv/bridge_phy.svg --export-png=bridge.png
  17 out = open("/tmp/log.txt", "w")
  18
  19
  20 def query(k, v, f, meta):
  21     global inlines
  22     if k == 'BlockQuote':
  23         inlines.append(v)
  24     elif isinstance(v, list):
  25         if inlines and k == 'Para':
  26             inlines.append(Space())
  27         inlines.extend(v)
  28     return v
  29
  30
  31 def inlinenotes(k, v, f, meta):
  32     out.write("k v f meta %s %s %s %s\n" %
  33               (repr(k), repr(v), repr(f), repr(meta)))
  34     global inlines
  35     inlines = []
  36     if k == u'Image' and f == 'latex':
  37         imgname = v[2][0]
  38         out.write("     image %s\n" % (imgname))
  39         # HACK! works only relative to openpower directory!
  40         if imgname.startswith("/"):
  41             imgname = ".." + imgname
  42         png = imgname.replace(".svg", ".png")
  43         png = os.path.split(png)[1]
  44         png = "tex_out/%s" % png
  45         subprocess.run(["inkscape", "-z", "-C", imgname,
  46                         "--export-png=%s" % png],
  47                        stdout=subprocess.PIPE)
  48         v[2][0] = png
  49         return Image(*v)
  50     if k == 'Str' and f == 'latex':
  51         # link page
  52         if not v.startswith("[["):
  53             return
  54         find_brack = v.find(']]')
  55         if find_brack == -1:
  56             return
  57         link = v[2:find_brack]
  58         out.write("     link %s\n" % link)
  59         lookups = {'sv': 'Scalable Vectors for Power ISA',
  60                    'SV|sv': 'Scalable Vectors for Power ISA',
  61                    'openpower/sv': 'Scalable Vectors for Power ISA',
  62                    'sv/overview': 'Overview Chapter',
  63                    'sv/vector_isa_comparison': 'Vector ISA Comparison',
  64                    'sv/comparison_table': 'ISA Comparison Table',
  65                    'sv/compliancy_levels': 'Compliancy Levels',
  66                    'sv/svp64': 'SVP64 Chapter',
  67                    'svp64': 'SVP64 Chapter',
  68                    'sv/sprs': 'SPRs',
  69                    'sv/normal': 'Arithmetic Mode',
  70                    'sv/ldst': 'Load/Store Mode',
  71                    'sv/cr_ops': 'Condition Register Fields Mode',
  72                    'sv/executive_summary': 'Exevutive Summary',
  73                    'sv/branches': 'Branch Mode',
  74                    'sv/setvl': 'setvl instruction',
  75                    'sv/svstep': 'svstep instruction',
  76                    'sv/remap': 'REMAP subsystem',
  77                    'sv/remap/appendix': 'REMAP Appendix',
  78                    'sv/mv.swizzle': 'Swizzle Move',
  79                    'sv/mv.vec': 'Pack / Unpack',
  80                    'svp64/appendix': 'SVP64 Appendix',
  81                    'sv/svp64/appendix': 'SVP64 Appendix',
  82                    'sv/svp64_quirks': 'SVP64 Quirks',
  83                    'openpower/isa/simplev': 'Simple-V pseudocode',
  84                    'opcode_regs_deduped': 'SVP64 Augmentation Table',
  85                    'sv/av_opcodes': 'Audio and Video Opcodes',
  86                    'av_opcodes': 'Audio and Video Opcodes',
  87                    'sv/vector_ops': 'SV Vector ops',
  88                    'sv/int_fp_mv': 'FP/Int Conversion ops',
  89                    'sv/bitmanip': 'Bitmanip ops',
  90                    'sv/cr_int_predication': 'CR Weird ops',
  91                    'cr_int_predication': 'CR Weird ops',
  92                    'sv/fclass': 'FP Class ops',
  93                    'sv/biginteger': 'Big Integer',
  94                    'sv/biginteger/analysis': 'Big Integer Analysis',
  95                    'isa/svfparith': 'Floating Point pseudocode',
  96                    'isa/svfixedarith': 'Fixed Point pseudocode',
  97                    'openpower/isa/branch': 'Branch pseudocode',
  98                    'openpower/transcendentals': 'Transcendentals',
  99                    }
 100         if link in lookups:
 101             out.write("     found %s\n" % lookups[link])
 102             return [Link(['', [], []],
 103                          [Str("{"+lookups[link]+"}")],
 104                          ['#%s' % link, '']), Str(v[find_brack+2:])]
 105         if '|' in link:
 106             link, ref = link.split("|")
 107             return [Link(['', [], []],
 108                          [Str(link)],
 109                          [ref, '']), Str(v[find_brack+2:])]
 110     if k == 'Link':
 111         out.write("     link type %s\n" %
 112                   (type(v[1][0])))
 113     if k == 'RawInline' and v[0] == 'html':
 114         if re.fullmatch(r"< *br */? *>", v[1]):
 115             return [RawInline('latex', r'\\')]
 116         if re.fullmatch(r"< *sup *>", v[1]):
 117             return [RawInline('latex', r'\textsuperscript{')]
 118         if re.fullmatch(r"< */ *sup *>", v[1]):
 119             return [RawInline('latex', '}')]
 120         if re.fullmatch(r"< *sub *>", v[1]):
 121             return [RawInline('latex', r'\textsubscript{')]
 122         if re.fullmatch(r"< */ *sub *>", v[1]):
 123             return [RawInline('latex', '}')]
 124         if re.fullmatch(r"< *small *>", v[1]):
 125             return [RawInline('latex', r'{\small ')]
 126         if re.fullmatch(r"< */ *small *>", v[1]):
 127             return [RawInline('latex', '}')]
 128
 129
 130 if __name__ == "__main__":
 131     toJSONFilter(inlinenotes)