added system.getStackTrace; docgen refactoring (incomplete)

This commit is contained in:
Araq 2012-05-06 01:16:36 +02:00
commit c323ec0155
13 changed files with 744 additions and 509 deletions

537
packages/docutils/highlite.nim Executable file
View file

@ -0,0 +1,537 @@
#
#
# Nimrod's Runtime Library
# (c) Copyright 2012 Andreas Rumpf
#
# See the file "copying.txt", included in this
# distribution, for details about the copyright.
#
## Source highlighter for programming or markup languages.
## Currently only few languages are supported, other languages may be added.
## The interface supports one language nested in another.
import
strutils
type
TTokenClass* = enum
gtEof, gtNone, gtWhitespace, gtDecNumber, gtBinNumber, gtHexNumber,
gtOctNumber, gtFloatNumber, gtIdentifier, gtKeyword, gtStringLit,
gtLongStringLit, gtCharLit, gtEscapeSequence, # escape sequence like \xff
gtOperator, gtPunctation, gtComment, gtLongComment, gtRegularExpression,
gtTagStart, gtTagEnd, gtKey, gtValue, gtRawData, gtAssembler,
gtPreprocessor, gtDirective, gtCommand, gtRule, gtHyperlink, gtLabel,
gtReference, gtOther
TGeneralTokenizer* = object of TObject
kind*: TTokenClass
start*, length*: int
buf: cstring
pos: int
state: TTokenClass
TSourceLanguage* = enum
langNone, langNimrod, langCpp, langCsharp, langC, langJava
const
sourceLanguageToStr*: array[TSourceLanguage, string] = ["none", "Nimrod",
"C++", "C#", "C", "Java"]
tokenClassToStr*: array[TTokenClass, string] = ["Eof", "None", "Whitespace",
"DecNumber", "BinNumber", "HexNumber", "OctNumber", "FloatNumber",
"Identifier", "Keyword", "StringLit", "LongStringLit", "CharLit",
"EscapeSequence", "Operator", "Punctation", "Comment", "LongComment",
"RegularExpression", "TagStart", "TagEnd", "Key", "Value", "RawData",
"Assembler", "Preprocessor", "Directive", "Command", "Rule", "Hyperlink",
"Label", "Reference", "Other"]
nimrodKeywords = slurp("doc/keywords.txt").split
proc getSourceLanguage*(name: string): TSourceLanguage =
for i in countup(succ(low(TSourceLanguage)), high(TSourceLanguage)):
if cmpIgnoreStyle(name, sourceLanguageToStr[i]) == 0:
return i
result = langNone
proc initGeneralTokenizer*(g: var TGeneralTokenizer, buf: string) =
g.buf = cstring(buf)
g.kind = low(TTokenClass)
g.start = 0
g.length = 0
g.state = low(TTokenClass)
var pos = 0 # skip initial whitespace:
while g.buf[pos] in {' ', '\x09'..'\x0D'}: inc(pos)
g.pos = pos
proc deinitGeneralTokenizer*(g: var TGeneralTokenizer) =
nil
proc nimGetKeyword(id: string): TTokenClass =
for k in nimrodKeywords:
if cmpIgnoreStyle(id, k) == 0: return gtKeyword
result = gtIdentifier
when false:
var i = getIdent(id)
if (i.id >= ord(tokKeywordLow) - ord(tkSymbol)) and
(i.id <= ord(tokKeywordHigh) - ord(tkSymbol)):
result = gtKeyword
else:
result = gtIdentifier
proc nimNumberPostfix(g: var TGeneralTokenizer, position: int): int =
var pos = position
if g.buf[pos] == '\'':
inc(pos)
case g.buf[pos]
of 'f', 'F':
g.kind = gtFloatNumber
inc(pos)
if g.buf[pos] in {'0'..'9'}: inc(pos)
if g.buf[pos] in {'0'..'9'}: inc(pos)
of 'i', 'I':
inc(pos)
if g.buf[pos] in {'0'..'9'}: inc(pos)
if g.buf[pos] in {'0'..'9'}: inc(pos)
else:
nil
result = pos
proc nimNumber(g: var TGeneralTokenizer, position: int): int =
const decChars = {'0'..'9', '_'}
var pos = position
g.kind = gtDecNumber
while g.buf[pos] in decChars: inc(pos)
if g.buf[pos] == '.':
g.kind = gtFloatNumber
inc(pos)
while g.buf[pos] in decChars: inc(pos)
if g.buf[pos] in {'e', 'E'}:
g.kind = gtFloatNumber
inc(pos)
if g.buf[pos] in {'+', '-'}: inc(pos)
while g.buf[pos] in decChars: inc(pos)
result = nimNumberPostfix(g, pos)
const
OpChars = {'+', '-', '*', '/', '\\', '<', '>', '!', '?', '^', '.',
'|', '=', '%', '&', '$', '@', '~', ':', '\x80'..'\xFF'}
proc nimNextToken(g: var TGeneralTokenizer) =
const
hexChars = {'0'..'9', 'A'..'F', 'a'..'f', '_'}
octChars = {'0'..'7', '_'}
binChars = {'0'..'1', '_'}
SymChars = {'a'..'z', 'A'..'Z', '0'..'9', '\x80'..'\xFF'}
var pos = g.pos
g.start = g.pos
if g.state == gtStringLit:
g.kind = gtStringLit
while true:
case g.buf[pos]
of '\\':
g.kind = gtEscapeSequence
inc(pos)
case g.buf[pos]
of 'x', 'X':
inc(pos)
if g.buf[pos] in hexChars: inc(pos)
if g.buf[pos] in hexChars: inc(pos)
of '0'..'9':
while g.buf[pos] in {'0'..'9'}: inc(pos)
of '\0':
g.state = gtNone
else: inc(pos)
break
of '\0', '\x0D', '\x0A':
g.state = gtNone
break
of '\"':
inc(pos)
g.state = gtNone
break
else: inc(pos)
else:
case g.buf[pos]
of ' ', '\x09'..'\x0D':
g.kind = gtWhitespace
while g.buf[pos] in {' ', '\x09'..'\x0D'}: inc(pos)
of '#':
g.kind = gtComment
while not (g.buf[pos] in {'\0', '\x0A', '\x0D'}): inc(pos)
of 'a'..'z', 'A'..'Z', '_', '\x80'..'\xFF':
var id = ""
while g.buf[pos] in SymChars + {'_'}:
add(id, g.buf[pos])
inc(pos)
if (g.buf[pos] == '\"'):
if (g.buf[pos + 1] == '\"') and (g.buf[pos + 2] == '\"'):
inc(pos, 3)
g.kind = gtLongStringLit
while true:
case g.buf[pos]
of '\0':
break
of '\"':
inc(pos)
if g.buf[pos] == '\"' and g.buf[pos+1] == '\"' and
g.buf[pos+2] != '\"':
inc(pos, 2)
break
else: inc(pos)
else:
g.kind = gtRawData
inc(pos)
while not (g.buf[pos] in {'\0', '\x0A', '\x0D'}):
if g.buf[pos] == '"' and g.buf[pos+1] != '"': break
inc(pos)
if g.buf[pos] == '\"': inc(pos)
else:
g.kind = nimGetKeyword(id)
of '0':
inc(pos)
case g.buf[pos]
of 'b', 'B':
inc(pos)
while g.buf[pos] in binChars: inc(pos)
pos = nimNumberPostfix(g, pos)
of 'x', 'X':
inc(pos)
while g.buf[pos] in hexChars: inc(pos)
pos = nimNumberPostfix(g, pos)
of 'o', 'O':
inc(pos)
while g.buf[pos] in octChars: inc(pos)
pos = nimNumberPostfix(g, pos)
else: pos = nimNumber(g, pos)
of '1'..'9':
pos = nimNumber(g, pos)
of '\'':
inc(pos)
g.kind = gtCharLit
while true:
case g.buf[pos]
of '\0', '\x0D', '\x0A':
break
of '\'':
inc(pos)
break
of '\\':
inc(pos, 2)
else: inc(pos)
of '\"':
inc(pos)
if (g.buf[pos] == '\"') and (g.buf[pos + 1] == '\"'):
inc(pos, 2)
g.kind = gtLongStringLit
while true:
case g.buf[pos]
of '\0':
break
of '\"':
inc(pos)
if g.buf[pos] == '\"' and g.buf[pos+1] == '\"' and
g.buf[pos+2] != '\"':
inc(pos, 2)
break
else: inc(pos)
else:
g.kind = gtStringLit
while true:
case g.buf[pos]
of '\0', '\x0D', '\x0A':
break
of '\"':
inc(pos)
break
of '\\':
g.state = g.kind
break
else: inc(pos)
of '(', ')', '[', ']', '{', '}', '`', ':', ',', ';':
inc(pos)
g.kind = gtPunctation
of '\0':
g.kind = gtEof
else:
if g.buf[pos] in OpChars:
g.kind = gtOperator
while g.buf[pos] in OpChars: inc(pos)
else:
inc(pos)
g.kind = gtNone
g.length = pos - g.pos
if g.kind != gtEof and g.length <= 0:
assert false, "nimNextToken: produced an empty token"
g.pos = pos
proc generalNumber(g: var TGeneralTokenizer, position: int): int =
const decChars = {'0'..'9'}
var pos = position
g.kind = gtDecNumber
while g.buf[pos] in decChars: inc(pos)
if g.buf[pos] == '.':
g.kind = gtFloatNumber
inc(pos)
while g.buf[pos] in decChars: inc(pos)
if g.buf[pos] in {'e', 'E'}:
g.kind = gtFloatNumber
inc(pos)
if g.buf[pos] in {'+', '-'}: inc(pos)
while g.buf[pos] in decChars: inc(pos)
result = pos
proc generalStrLit(g: var TGeneralTokenizer, position: int): int =
const
decChars = {'0'..'9'}
hexChars = {'0'..'9', 'A'..'F', 'a'..'f'}
var pos = position
g.kind = gtStringLit
var c = g.buf[pos]
inc(pos) # skip " or '
while true:
case g.buf[pos]
of '\0':
break
of '\\':
inc(pos)
case g.buf[pos]
of '\0':
break
of '0'..'9':
while g.buf[pos] in decChars: inc(pos)
of 'x', 'X':
inc(pos)
if g.buf[pos] in hexChars: inc(pos)
if g.buf[pos] in hexChars: inc(pos)
else: inc(pos, 2)
else:
if g.buf[pos] == c:
inc(pos)
break
else:
inc(pos)
result = pos
proc isKeyword(x: openarray[string], y: string): int =
var a = 0
var b = len(x) - 1
while a <= b:
var mid = (a + b) div 2
var c = cmp(x[mid], y)
if c < 0:
a = mid + 1
elif c > 0:
b = mid - 1
else:
return mid
result = - 1
proc isKeywordIgnoreCase(x: openarray[string], y: string): int =
var a = 0
var b = len(x) - 1
while a <= b:
var mid = (a + b) div 2
var c = cmpIgnoreCase(x[mid], y)
if c < 0:
a = mid + 1
elif c > 0:
b = mid - 1
else:
return mid
result = - 1
type
TTokenizerFlag = enum
hasPreprocessor, hasNestedComments
TTokenizerFlags = set[TTokenizerFlag]
proc clikeNextToken(g: var TGeneralTokenizer, keywords: openarray[string],
flags: TTokenizerFlags) =
const
hexChars = {'0'..'9', 'A'..'F', 'a'..'f'}
octChars = {'0'..'7'}
binChars = {'0'..'1'}
symChars = {'A'..'Z', 'a'..'z', '0'..'9', '_', '\x80'..'\xFF'}
var pos = g.pos
g.start = g.pos
if g.state == gtStringLit:
g.kind = gtStringLit
while true:
case g.buf[pos]
of '\\':
g.kind = gtEscapeSequence
inc(pos)
case g.buf[pos]
of 'x', 'X':
inc(pos)
if g.buf[pos] in hexChars: inc(pos)
if g.buf[pos] in hexChars: inc(pos)
of '0'..'9':
while g.buf[pos] in {'0'..'9'}: inc(pos)
of '\0':
g.state = gtNone
else: inc(pos)
break
of '\0', '\x0D', '\x0A':
g.state = gtNone
break
of '\"':
inc(pos)
g.state = gtNone
break
else: inc(pos)
else:
case g.buf[pos]
of ' ', '\x09'..'\x0D':
g.kind = gtWhitespace
while g.buf[pos] in {' ', '\x09'..'\x0D'}: inc(pos)
of '/':
inc(pos)
if g.buf[pos] == '/':
g.kind = gtComment
while not (g.buf[pos] in {'\0', '\x0A', '\x0D'}): inc(pos)
elif g.buf[pos] == '*':
g.kind = gtLongComment
var nested = 0
inc(pos)
while true:
case g.buf[pos]
of '*':
inc(pos)
if g.buf[pos] == '/':
inc(pos)
if nested == 0: break
of '/':
inc(pos)
if g.buf[pos] == '*':
inc(pos)
if hasNestedComments in flags: inc(nested)
of '\0':
break
else: inc(pos)
of '#':
inc(pos)
if hasPreprocessor in flags:
g.kind = gtPreprocessor
while g.buf[pos] in {' ', '\t'}: inc(pos)
while g.buf[pos] in symChars: inc(pos)
else:
g.kind = gtOperator
of 'a'..'z', 'A'..'Z', '_', '\x80'..'\xFF':
var id = ""
while g.buf[pos] in SymChars:
add(id, g.buf[pos])
inc(pos)
if isKeyword(keywords, id) >= 0: g.kind = gtKeyword
else: g.kind = gtIdentifier
of '0':
inc(pos)
case g.buf[pos]
of 'b', 'B':
inc(pos)
while g.buf[pos] in binChars: inc(pos)
if g.buf[pos] in {'A'..'Z', 'a'..'z'}: inc(pos)
of 'x', 'X':
inc(pos)
while g.buf[pos] in hexChars: inc(pos)
if g.buf[pos] in {'A'..'Z', 'a'..'z'}: inc(pos)
of '0'..'7':
inc(pos)
while g.buf[pos] in octChars: inc(pos)
if g.buf[pos] in {'A'..'Z', 'a'..'z'}: inc(pos)
else:
pos = generalNumber(g, pos)
if g.buf[pos] in {'A'..'Z', 'a'..'z'}: inc(pos)
of '1'..'9':
pos = generalNumber(g, pos)
if g.buf[pos] in {'A'..'Z', 'a'..'z'}: inc(pos)
of '\'':
pos = generalStrLit(g, pos)
g.kind = gtCharLit
of '\"':
inc(pos)
g.kind = gtStringLit
while true:
case g.buf[pos]
of '\0':
break
of '\"':
inc(pos)
break
of '\\':
g.state = g.kind
break
else: inc(pos)
of '(', ')', '[', ']', '{', '}', ':', ',', ';', '.':
inc(pos)
g.kind = gtPunctation
of '\0':
g.kind = gtEof
else:
if g.buf[pos] in OpChars:
g.kind = gtOperator
while g.buf[pos] in OpChars: inc(pos)
else:
inc(pos)
g.kind = gtNone
g.length = pos - g.pos
if g.kind != gtEof and g.length <= 0:
assert false, "clikeNextToken: produced an empty token"
g.pos = pos
proc cNextToken(g: var TGeneralTokenizer) =
const
keywords: array[0..36, string] = ["_Bool", "_Complex", "_Imaginary", "auto",
"break", "case", "char", "const", "continue", "default", "do", "double",
"else", "enum", "extern", "float", "for", "goto", "if", "inline", "int",
"long", "register", "restrict", "return", "short", "signed", "sizeof",
"static", "struct", "switch", "typedef", "union", "unsigned", "void",
"volatile", "while"]
clikeNextToken(g, keywords, {hasPreprocessor})
proc cppNextToken(g: var TGeneralTokenizer) =
const
keywords: array[0..47, string] = ["asm", "auto", "break", "case", "catch",
"char", "class", "const", "continue", "default", "delete", "do", "double",
"else", "enum", "extern", "float", "for", "friend", "goto", "if",
"inline", "int", "long", "new", "operator", "private", "protected",
"public", "register", "return", "short", "signed", "sizeof", "static",
"struct", "switch", "template", "this", "throw", "try", "typedef",
"union", "unsigned", "virtual", "void", "volatile", "while"]
clikeNextToken(g, keywords, {hasPreprocessor})
proc csharpNextToken(g: var TGeneralTokenizer) =
const
keywords: array[0..76, string] = ["abstract", "as", "base", "bool", "break",
"byte", "case", "catch", "char", "checked", "class", "const", "continue",
"decimal", "default", "delegate", "do", "double", "else", "enum", "event",
"explicit", "extern", "false", "finally", "fixed", "float", "for",
"foreach", "goto", "if", "implicit", "in", "int", "interface", "internal",
"is", "lock", "long", "namespace", "new", "null", "object", "operator",
"out", "override", "params", "private", "protected", "public", "readonly",
"ref", "return", "sbyte", "sealed", "short", "sizeof", "stackalloc",
"static", "string", "struct", "switch", "this", "throw", "true", "try",
"typeof", "uint", "ulong", "unchecked", "unsafe", "ushort", "using",
"virtual", "void", "volatile", "while"]
clikeNextToken(g, keywords, {hasPreprocessor})
proc javaNextToken(g: var TGeneralTokenizer) =
const
keywords: array[0..52, string] = ["abstract", "assert", "boolean", "break",
"byte", "case", "catch", "char", "class", "const", "continue", "default",
"do", "double", "else", "enum", "extends", "false", "final", "finally",
"float", "for", "goto", "if", "implements", "import", "instanceof", "int",
"interface", "long", "native", "new", "null", "package", "private",
"protected", "public", "return", "short", "static", "strictfp", "super",
"switch", "synchronized", "this", "throw", "throws", "transient", "true",
"try", "void", "volatile", "while"]
clikeNextToken(g, keywords, {})
proc getNextToken*(g: var TGeneralTokenizer, lang: TSourceLanguage) =
case lang
of langNone: assert false
of langNimrod: nimNextToken(g)
of langCpp: cppNextToken(g)
of langCsharp: csharpNextToken(g)
of langC: cNextToken(g)
of langJava: javaNextToken(g)

1701
packages/docutils/rst.nim Executable file

File diff suppressed because it is too large Load diff

View file

@ -0,0 +1,288 @@
#
#
# Nimrod's Runtime Library
# (c) Copyright 2012 Andreas Rumpf
#
# See the file "copying.txt", included in this
# distribution, for details about the copyright.
#
## This module implements an AST for the `reStructuredText`:idx parser.
import strutils
type
TRstNodeKind* = enum ## the possible node kinds of an PRstNode
rnInner, # an inner node or a root
rnHeadline, # a headline
rnOverline, # an over- and underlined headline
rnTransition, # a transition (the ------------- <hr> thingie)
rnParagraph, # a paragraph
rnBulletList, # a bullet list
rnBulletItem, # a bullet item
rnEnumList, # an enumerated list
rnEnumItem, # an enumerated item
rnDefList, # a definition list
rnDefItem, # an item of a definition list consisting of ...
rnDefName, # ... a name part ...
rnDefBody, # ... and a body part ...
rnFieldList, # a field list
rnField, # a field item
rnFieldName, # consisting of a field name ...
rnFieldBody, # ... and a field body
rnOptionList, rnOptionListItem, rnOptionGroup, rnOption, rnOptionString,
rnOptionArgument, rnDescription, rnLiteralBlock, rnQuotedLiteralBlock,
rnLineBlock, # the | thingie
rnLineBlockItem, # sons of the | thing
rnBlockQuote, # text just indented
rnTable, rnGridTable, rnTableRow, rnTableHeaderCell, rnTableDataCell,
rnLabel, # used for footnotes and other things
rnFootnote, # a footnote
rnCitation, # similar to footnote
rnStandaloneHyperlink, rnHyperlink, rnRef, rnDirective, # a directive
rnDirArg, rnRaw, rnTitle, rnContents, rnImage, rnFigure, rnCodeBlock,
rnRawHtml, rnRawLatex,
rnContainer, # ``container`` directive
rnIndex, # index directve:
# .. index::
# key
# * `file#id <file#id>`_
# * `file#id <file#id>'_
rnSubstitutionDef, # a definition of a substitution
rnGeneralRole, # Inline markup:
rnSub, rnSup, rnIdx,
rnEmphasis, # "*"
rnStrongEmphasis, # "**"
rnTripleEmphasis, # "***"
rnInterpretedText, # "`"
rnInlineLiteral, # "``"
rnSubstitutionReferences, # "|"
rnSmiley, # some smiley
rnLeaf # a leaf; the node's text field contains the
# leaf val
PRSTNode* = ref TRstNode ## an RST node
TRstNodeSeq* = seq[PRstNode]
TRSTNode* {.acyclic, final.} = object ## an RST node's description
kind*: TRstNodeKind ## the node's kind
text*: string ## valid for leafs in the AST; and the title of
## the document or the section
level*: int ## valid for some node kinds
sons*: TRstNodeSeq ## the node's sons
proc len*(n: PRstNode): int =
result = len(n.sons)
proc newRstNode*(kind: TRstNodeKind): PRstNode =
new(result)
result.sons = @[]
result.kind = kind
proc newRstNode*(kind: TRstNodeKind, s: string): PRstNode =
result = newRstNode(kind)
result.text = s
proc lastSon*(n: PRstNode): PRstNode =
result = n.sons[len(n.sons)-1]
proc add*(father, son: PRstNode) =
add(father.sons, son)
proc addIfNotNil*(father, son: PRstNode) =
if son != nil: add(father, son)
type
TRenderContext {.pure.} = object
indent: int
verbatim: int
proc renderRstToRst(d: var TRenderContext, n: PRstNode, result: var string)
proc renderRstSons(d: var TRenderContext, n: PRstNode, result: var string) =
for i in countup(0, len(n) - 1):
renderRstToRst(d, n.sons[i], result)
proc renderRstToRst(d: var TRenderContext, n: PRstNode, result: var string) =
# this is needed for the index generation; it may also be useful for
# debugging, but most code is already debugged...
const
lvlToChar: array[0..8, char] = ['!', '=', '-', '~', '`', '<', '*', '|', '+']
if n == nil: return
var ind = repeatChar(d.indent)
case n.kind
of rnInner:
renderRstSons(d, n, result)
of rnHeadline:
result.add("\n")
result.add(ind)
let oldLen = result.len
renderRstSons(d, n, result)
let HeadlineLen = result.len - oldLen
result.add("\n")
result.add(ind)
result.add repeatChar(HeadlineLen, lvlToChar[n.level])
of rnOverline:
result.add("\n")
result.add(ind)
var headline = ""
renderRstSons(d, n, headline)
let lvl = repeatChar(headline.Len - d.indent, lvlToChar[n.level])
result.add(lvl)
result.add("\n")
result.add(headline)
result.add("\n")
result.add(ind)
result.add(lvl)
of rnTransition:
result.add("\n\n")
result.add(ind)
result.add repeatChar(78-d.indent, '-')
result.add("\n\n")
of rnParagraph:
result.add("\n\n")
result.add(ind)
renderRstSons(d, n, result)
of rnBulletItem:
inc(d.indent, 2)
var tmp = ""
renderRstSons(d, n, tmp)
if tmp.len > 0:
result.add("\n")
result.add(ind)
result.add("* ")
result.add(tmp)
dec(d.indent, 2)
of rnEnumItem:
inc(d.indent, 4)
var tmp = ""
renderRstSons(d, n, tmp)
if tmp.len > 0:
result.add("\n")
result.add(ind)
result.add("(#) ")
result.add(tmp)
dec(d.indent, 4)
of rnOptionList, rnFieldList, rnDefList, rnDefItem, rnLineBlock, rnFieldName,
rnFieldBody, rnStandaloneHyperlink, rnBulletList, rnEnumList:
renderRstSons(d, n, result)
of rnDefName:
result.add("\n\n")
result.add(ind)
renderRstSons(d, n, result)
of rnDefBody:
inc(d.indent, 2)
if n.sons[0].kind != rnBulletList:
result.add("\n")
result.add(ind)
result.add(" ")
renderRstSons(d, n, result)
dec(d.indent, 2)
of rnField:
var tmp = ""
renderRstToRst(d, n.sons[0], tmp)
var L = max(tmp.len + 3, 30)
inc(d.indent, L)
result.add "\n"
result.add ind
result.add ':'
result.add tmp
result.add ':'
result.add repeatChar(L - tmp.len - 2)
renderRstToRst(d, n.sons[1], result)
dec(d.indent, L)
of rnLineBlockItem:
result.add("\n")
result.add(ind)
result.add("| ")
renderRstSons(d, n, result)
of rnBlockQuote:
inc(d.indent, 2)
renderRstSons(d, n, result)
dec(d.indent, 2)
of rnRef:
result.add("`")
renderRstSons(d, n, result)
result.add("`_")
of rnHyperlink:
result.add('`')
renderRstToRst(d, n.sons[0], result)
result.add(" <")
renderRstToRst(d, n.sons[1], result)
result.add(">`_")
of rnGeneralRole:
result.add('`')
renderRstToRst(d, n.sons[0],result)
result.add("`:")
renderRstToRst(d, n.sons[1],result)
result.add(':')
of rnSub:
result.add('`')
renderRstSons(d, n, result)
result.add("`:sub:")
of rnSup:
result.add('`')
renderRstSons(d, n, result)
result.add("`:sup:")
of rnIdx:
result.add('`')
renderRstSons(d, n, result)
result.add("`:idx:")
of rnEmphasis:
result.add("*")
renderRstSons(d, n, result)
result.add("*")
of rnStrongEmphasis:
result.add("**")
renderRstSons(d, n, result)
result.add("**")
of rnTripleEmphasis:
result.add("***")
renderRstSons(d, n, result)
result.add("***")
of rnInterpretedText:
result.add('`')
renderRstSons(d, n, result)
result.add('`')
of rnInlineLiteral:
inc(d.verbatim)
result.add("``")
renderRstSons(d, n, result)
result.add("``")
dec(d.verbatim)
of rnSmiley:
result.add(n.text)
of rnLeaf:
if d.verbatim == 0 and n.text == "\\":
result.add("\\\\") # XXX: escape more special characters!
else:
result.add(n.text)
of rnIndex:
result.add("\n\n")
result.add(ind)
result.add(".. index::\n")
inc(d.indent, 3)
if n.sons[2] != nil: renderRstSons(d, n.sons[2], result)
dec(d.indent, 3)
of rnContents:
result.add("\n\n")
result.add(ind)
result.add(".. contents::")
else:
result.add("Error: cannot render: " & $n.kind)
proc renderRstToRst*(n: PRstNode, result: var string) =
## renders `n` into its string representation and appends to `result`.
var d: TRenderContext
renderRstToRst(d, n, result)

View file

@ -0,0 +1,87 @@
#
#
# Nimrod's Runtime Library
# (c) Copyright 2012 Andreas Rumpf
#
# See the file "copying.txt", included in this
# distribution, for details about the copyright.
#
## This module implements a generator of HTML/Latex from `reStructuredText`:idx.
import strutils, strtabs, rstast
type
TOutputTarget* = enum ## which document type to generate
outHtml, # output is HTML
outLatex # output is Latex
proc addXmlChar(dest: var string, c: Char) =
case c
of '&': add(dest, "&amp;")
of '<': add(dest, "&lt;")
of '>': add(dest, "&gt;")
of '\"': add(dest, "&quot;")
else: add(dest, c)
proc addRtfChar(dest: var string, c: Char) =
case c
of '{': add(dest, "\\{")
of '}': add(dest, "\\}")
of '\\': add(dest, "\\\\")
else: add(dest, c)
proc addTexChar(dest: var string, c: Char) =
case c
of '_': add(dest, "\\_")
of '{': add(dest, "\\symbol{123}")
of '}': add(dest, "\\symbol{125}")
of '[': add(dest, "\\symbol{91}")
of ']': add(dest, "\\symbol{93}")
of '\\': add(dest, "\\symbol{92}")
of '$': add(dest, "\\$")
of '&': add(dest, "\\&")
of '#': add(dest, "\\#")
of '%': add(dest, "\\%")
of '~': add(dest, "\\symbol{126}")
of '@': add(dest, "\\symbol{64}")
of '^': add(dest, "\\symbol{94}")
of '`': add(dest, "\\symbol{96}")
else: add(dest, c)
var splitter*: string = "<wbr />"
proc escChar*(target: TOutputTarget, dest: var string, c: Char) {.inline.} =
case target
of outHtml: addXmlChar(dest, c)
of outLatex: addTexChar(dest, c)
proc nextSplitPoint*(s: string, start: int): int =
result = start
while result < len(s) + 0:
case s[result]
of '_': return
of 'a'..'z':
if result + 1 < len(s) + 0:
if s[result + 1] in {'A'..'Z'}: return
else: nil
inc(result)
dec(result) # last valid index
proc esc*(target: TOutputTarget, s: string, splitAfter = -1): string =
result = ""
if splitAfter >= 0:
var partLen = 0
var j = 0
while j < len(s):
var k = nextSplitPoint(s, j)
if (splitter != " ") or (partLen + k - j + 1 > splitAfter):
partLen = 0
add(result, splitter)
for i in countup(j, k): escChar(target, result, s[i])
inc(partLen, k - j + 1)
j = k + 1
else:
for i in countup(0, len(s) - 1): escChar(target, result, s[i])