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-rw-r--r--src/Text/Pandoc/Definition.hs1
-rw-r--r--src/Text/Pandoc/Parsing.hs32
-rw-r--r--src/Text/Pandoc/Readers/Markdown.hs12
-rw-r--r--src/Text/Pandoc/Readers/RST.hs2
-rw-r--r--src/Text/Pandoc/Shared.hs1
-rw-r--r--src/Text/Pandoc/Writers/ConTeXt.hs1
-rw-r--r--src/Text/Pandoc/Writers/Docbook.hs1
-rw-r--r--src/Text/Pandoc/Writers/Markdown.hs6
-rw-r--r--src/Text/Pandoc/Writers/Texinfo.hs1
9 files changed, 47 insertions, 10 deletions
diff --git a/src/Text/Pandoc/Definition.hs b/src/Text/Pandoc/Definition.hs
index 7ddd26625..fffca3b2e 100644
--- a/src/Text/Pandoc/Definition.hs
+++ b/src/Text/Pandoc/Definition.hs
@@ -52,6 +52,7 @@ type ListAttributes = (Int, ListNumberStyle, ListNumberDelim)
-- | Style of list numbers.
data ListNumberStyle = DefaultStyle
+ | Example
| Decimal
| LowerRoman
| UpperRoman
diff --git a/src/Text/Pandoc/Parsing.hs b/src/Text/Pandoc/Parsing.hs
index cf46bf216..19338661d 100644
--- a/src/Text/Pandoc/Parsing.hs
+++ b/src/Text/Pandoc/Parsing.hs
@@ -320,6 +320,23 @@ decimal = do
num <- many1 digit
return (Decimal, read num)
+-- | Parses a '@' and optional label and
+-- returns (DefaultStyle, [next example number]). The next
+-- example number is incremented in parser state, and the label
+-- (if present) is added to the label table.
+exampleNum :: GenParser Char ParserState (ListNumberStyle, Int)
+exampleNum = do
+ char '@'
+ lab <- many (alphaNum <|> oneOf "_-")
+ st <- getState
+ let num = stateNextExample st
+ let newlabels = if null lab
+ then stateExamples st
+ else M.insert lab num $ stateExamples st
+ updateState $ \s -> s{ stateNextExample = num + 1
+ , stateExamples = newlabels }
+ return (Example, num)
+
-- | Parses a '#' returns (DefaultStyle, 1).
defaultNum :: GenParser Char st (ListNumberStyle, Int)
defaultNum = do
@@ -344,10 +361,10 @@ romanOne = (char 'i' >> return (LowerRoman, 1)) <|>
(char 'I' >> return (UpperRoman, 1))
-- | Parses an ordered list marker and returns list attributes.
-anyOrderedListMarker :: GenParser Char st ListAttributes
+anyOrderedListMarker :: GenParser Char ParserState ListAttributes
anyOrderedListMarker = choice $
[delimParser numParser | delimParser <- [inPeriod, inOneParen, inTwoParens],
- numParser <- [decimal, defaultNum, romanOne,
+ numParser <- [decimal, exampleNum, defaultNum, romanOne,
lowerAlpha, lowerRoman, upperAlpha, upperRoman]]
-- | Parses a list number (num) followed by a period, returns list attributes.
@@ -382,11 +399,12 @@ inTwoParens num = try $ do
-- returns number.
orderedListMarker :: ListNumberStyle
-> ListNumberDelim
- -> GenParser Char st Int
+ -> GenParser Char ParserState Int
orderedListMarker style delim = do
let num = defaultNum <|> -- # can continue any kind of list
case style of
DefaultStyle -> decimal
+ Example -> exampleNum
Decimal -> decimal
UpperRoman -> upperRoman
LowerRoman -> lowerRoman
@@ -581,7 +599,9 @@ data ParserState = ParserState
stateLiterateHaskell :: Bool, -- ^ Treat input as literate haskell
stateColumns :: Int, -- ^ Number of columns in terminal
stateHeaderTable :: [HeaderType], -- ^ Ordered list of header types used
- stateIndentedCodeClasses :: [String] -- ^ Classes to use for indented code blocks
+ stateIndentedCodeClasses :: [String], -- ^ Classes to use for indented code blocks
+ stateNextExample :: Int, -- ^ Number of next example
+ stateExamples :: M.Map String Int -- ^ Map from example labels to numbers
}
deriving Show
@@ -606,7 +626,9 @@ defaultParserState =
stateLiterateHaskell = False,
stateColumns = 80,
stateHeaderTable = [],
- stateIndentedCodeClasses = [] }
+ stateIndentedCodeClasses = [],
+ stateNextExample = 1,
+ stateExamples = M.empty }
data HeaderType
= SingleHeader Char -- ^ Single line of characters underneath
diff --git a/src/Text/Pandoc/Readers/Markdown.hs b/src/Text/Pandoc/Readers/Markdown.hs
index 0a46832a8..086f85bb4 100644
--- a/src/Text/Pandoc/Readers/Markdown.hs
+++ b/src/Text/Pandoc/Readers/Markdown.hs
@@ -69,7 +69,7 @@ setextHChars = "=-"
-- treat these as potentially non-text when parsing inline:
specialChars :: [Char]
-specialChars = "\\[]*_~`<>$!^-.&'\";"
+specialChars = "\\[]*_~`<>$!^-.&@'\";"
--
-- auxiliary functions
@@ -888,6 +888,7 @@ inlineParsers = [ str
, rawHtmlInline'
, rawLaTeXInline'
, escapedChar
+ , exampleRef
, symbol
, ltSign ]
@@ -923,6 +924,15 @@ ltSign = do
specialCharsMinusLt :: [Char]
specialCharsMinusLt = filter (/= '<') specialChars
+exampleRef :: GenParser Char ParserState Inline
+exampleRef = try $ do
+ char '@'
+ lab <- many1 (alphaNum <|> oneOf "-_")
+ examples <- liftM stateExamples getState
+ case M.lookup lab examples of
+ Just num -> return (Str $ show num)
+ Nothing -> pzero
+
symbol :: GenParser Char ParserState Inline
symbol = do
result <- oneOf specialCharsMinusLt
diff --git a/src/Text/Pandoc/Readers/RST.hs b/src/Text/Pandoc/Readers/RST.hs
index 7b43ec626..13afe5053 100644
--- a/src/Text/Pandoc/Readers/RST.hs
+++ b/src/Text/Pandoc/Readers/RST.hs
@@ -425,7 +425,7 @@ bulletListStart = try $ do
-- parses ordered list start and returns its length (inc following whitespace)
orderedListStart :: ListNumberStyle
-> ListNumberDelim
- -> GenParser Char st Int
+ -> GenParser Char ParserState Int
orderedListStart style delim = try $ do
(_, markerLen) <- withHorizDisplacement (orderedListMarker style delim)
white <- many1 spaceChar
diff --git a/src/Text/Pandoc/Shared.hs b/src/Text/Pandoc/Shared.hs
index babcf3423..025b54b93 100644
--- a/src/Text/Pandoc/Shared.hs
+++ b/src/Text/Pandoc/Shared.hs
@@ -304,6 +304,7 @@ orderedListMarkers (start, numstyle, numdelim) =
let singleton c = [c]
nums = case numstyle of
DefaultStyle -> map show [start..]
+ Example -> map show [start..]
Decimal -> map show [start..]
UpperAlpha -> drop (start - 1) $ cycle $
map singleton ['A'..'Z']
diff --git a/src/Text/Pandoc/Writers/ConTeXt.hs b/src/Text/Pandoc/Writers/ConTeXt.hs
index 32948e292..73aadd771 100644
--- a/src/Text/Pandoc/Writers/ConTeXt.hs
+++ b/src/Text/Pandoc/Writers/ConTeXt.hs
@@ -153,6 +153,7 @@ blockToConTeXt (OrderedList (start, style', delim) lst) = do
let style'' = case style' of
DefaultStyle -> orderedListStyles !! level
Decimal -> "[n]"
+ Example -> "[n]"
LowerRoman -> "[r]"
UpperRoman -> "[R]"
LowerAlpha -> "[a]"
diff --git a/src/Text/Pandoc/Writers/Docbook.hs b/src/Text/Pandoc/Writers/Docbook.hs
index 3abed1610..5223259eb 100644
--- a/src/Text/Pandoc/Writers/Docbook.hs
+++ b/src/Text/Pandoc/Writers/Docbook.hs
@@ -154,6 +154,7 @@ blockToDocbook opts (OrderedList (start, numstyle, _) (first:rest)) =
let attribs = case numstyle of
DefaultStyle -> []
Decimal -> [("numeration", "arabic")]
+ Example -> [("numeration", "arabic")]
UpperAlpha -> [("numeration", "upperalpha")]
LowerAlpha -> [("numeration", "loweralpha")]
UpperRoman -> [("numeration", "upperroman")]
diff --git a/src/Text/Pandoc/Writers/Markdown.hs b/src/Text/Pandoc/Writers/Markdown.hs
index d72fb5eb5..d6cd2a296 100644
--- a/src/Text/Pandoc/Writers/Markdown.hs
+++ b/src/Text/Pandoc/Writers/Markdown.hs
@@ -35,7 +35,7 @@ import Text.Pandoc.Templates (renderTemplate)
import Text.Pandoc.Shared
import Text.Pandoc.Parsing
import Text.Pandoc.Blocks
-import Text.ParserCombinators.Parsec ( parse, GenParser )
+import Text.ParserCombinators.Parsec ( runParser, GenParser )
import Data.List ( group, isPrefixOf, find, intersperse, transpose )
import Text.PrettyPrint.HughesPJ hiding ( Str )
import Control.Monad.State
@@ -159,7 +159,7 @@ elementToListItem (Sec _ _ _ headerText subsecs) = [Plain headerText] ++
else [BulletList $ map elementToListItem subsecs]
-- | Ordered list start parser for use in Para below.
-olMarker :: GenParser Char st Char
+olMarker :: GenParser Char ParserState Char
olMarker = do (start, style', delim) <- anyOrderedListMarker
if delim == Period &&
(style' == UpperAlpha || (style' == UpperRoman &&
@@ -170,7 +170,7 @@ olMarker = do (start, style', delim) <- anyOrderedListMarker
-- | True if string begins with an ordered list marker
beginsWithOrderedListMarker :: String -> Bool
beginsWithOrderedListMarker str =
- case parse olMarker "para start" str of
+ case runParser olMarker defaultParserState "para start" str of
Left _ -> False
Right _ -> True
diff --git a/src/Text/Pandoc/Writers/Texinfo.hs b/src/Text/Pandoc/Writers/Texinfo.hs
index 503222754..65e053827 100644
--- a/src/Text/Pandoc/Writers/Texinfo.hs
+++ b/src/Text/Pandoc/Writers/Texinfo.hs
@@ -144,6 +144,7 @@ blockToTexinfo (OrderedList (start, numstyle, _) lst) = do
exemplar = case numstyle of
DefaultStyle -> decimal
Decimal -> decimal
+ Example -> decimal
UpperRoman -> decimal -- Roman numerals not supported
LowerRoman -> decimal
UpperAlpha -> upperAlpha
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-15 17:06:37 +0000