diff options
Diffstat (limited to 'Text')
| -rw-r--r-- | Text/Pandoc/Writers/Docbook.hs | 61 | ||||
| -rw-r--r-- | Text/Pandoc/Writers/OpenDocument.hs | 57 | ||||
| -rw-r--r-- | Text/Pandoc/XML.hs | 88 |
3 files changed, 90 insertions, 116 deletions
diff --git a/Text/Pandoc/Writers/Docbook.hs b/Text/Pandoc/Writers/Docbook.hs index 51a4497fa..d7ef5b8cc 100644 --- a/Text/Pandoc/Writers/Docbook.hs +++ b/Text/Pandoc/Writers/Docbook.hs @@ -29,71 +29,12 @@ Conversion of 'Pandoc' documents to Docbook XML. -} module Text.Pandoc.Writers.Docbook ( writeDocbook) where import Text.Pandoc.Definition +import Text.Pandoc.XML import Text.Pandoc.Shared import Text.Pandoc.Readers.TeXMath import Data.List ( isPrefixOf, drop ) import Text.PrettyPrint.HughesPJ hiding ( Str ) --- --- code to format XML --- - --- | Escape one character as needed for XML. -escapeCharForXML :: Char -> String -escapeCharForXML x = case x of - '&' -> "&" - '<' -> "<" - '>' -> ">" - '"' -> """ - '\160' -> " " - c -> [c] - --- | True if the character needs to be escaped. -needsEscaping :: Char -> Bool -needsEscaping c = c `elem` "&<>\"\160" - --- | Escape string as needed for XML. Entity references are not preserved. -escapeStringForXML :: String -> String -escapeStringForXML "" = "" -escapeStringForXML str = - case break needsEscaping str of - (okay, "") -> okay - (okay, (c:cs)) -> okay ++ escapeCharForXML c ++ escapeStringForXML cs - --- | Return a text object with a string of formatted XML attributes. -attributeList :: [(String, String)] -> Doc -attributeList = text . concatMap - (\(a, b) -> " " ++ escapeStringForXML a ++ "=\"" ++ - escapeStringForXML b ++ "\"") - --- | Put the supplied contents between start and end tags of tagType, --- with specified attributes and (if specified) indentation. -inTags:: Bool -> String -> [(String, String)] -> Doc -> Doc -inTags isIndented tagType attribs contents = - let openTag = char '<' <> text tagType <> attributeList attribs <> - char '>' - closeTag = text "</" <> text tagType <> char '>' - in if isIndented - then openTag $$ nest 2 contents $$ closeTag - else openTag <> contents <> closeTag - --- | Return a self-closing tag of tagType with specified attributes -selfClosingTag :: String -> [(String, String)] -> Doc -selfClosingTag tagType attribs = - char '<' <> text tagType <> attributeList attribs <> text " />" - --- | Put the supplied contents between start and end tags of tagType. -inTagsSimple :: String -> Doc -> Doc -inTagsSimple tagType = inTags False tagType [] - --- | Put the supplied contents in indented block btw start and end tags. -inTagsIndented :: String -> Doc -> Doc -inTagsIndented tagType = inTags True tagType [] - --- --- Docbook writer --- - -- | Convert list of authors to a docbook <author> section authorToDocbook :: [Char] -> Doc authorToDocbook name = inTagsIndented "author" $ diff --git a/Text/Pandoc/Writers/OpenDocument.hs b/Text/Pandoc/Writers/OpenDocument.hs index 91aa4b966..b21871823 100644 --- a/Text/Pandoc/Writers/OpenDocument.hs +++ b/Text/Pandoc/Writers/OpenDocument.hs @@ -32,6 +32,7 @@ Conversion of 'Pandoc' documents to OpenDocument XML. module Text.Pandoc.Writers.OpenDocument ( writeOpenDocument ) where import Text.Pandoc.Definition import Text.Pandoc.Shared +import Text.Pandoc.XML import Text.Pandoc.Readers.TeXMath import Text.PrettyPrint.HughesPJ hiding ( Str ) @@ -39,62 +40,6 @@ import Control.Applicative ((<$>)) import Control.Monad.State import Data.Char (chr) --- --- code to format XML --- - --- | Escape one character as needed for XML. -escapeCharForXML :: Char -> String -escapeCharForXML x = case x of - '&' -> "&" - '<' -> "<" - '>' -> ">" - '"' -> """ - '\160' -> " " - c -> [c] - --- | True if the character needs to be escaped. -needsEscaping :: Char -> Bool -needsEscaping c = c `elem` "&<>\"\160" - --- | Escape string as needed for XML. Entity references are not preserved. -escapeStringForXML :: String -> String -escapeStringForXML "" = "" -escapeStringForXML str = - case break needsEscaping str of - (okay, "") -> okay - (okay, (c:cs)) -> okay ++ escapeCharForXML c ++ escapeStringForXML cs - --- | Return a text object with a string of formatted XML attributes. -attributeList :: [(String, String)] -> Doc -attributeList = text . concatMap - (\(a, b) -> " " ++ escapeStringForXML a ++ "=\"" ++ - escapeStringForXML b ++ "\"") - --- | Put the supplied contents between start and end tags of tagType, --- with specified attributes and (if specified) indentation. -inTags:: Bool -> String -> [(String, String)] -> Doc -> Doc -inTags isIndented tagType attribs contents = - let openTag = char '<' <> text tagType <> attributeList attribs <> - char '>' - closeTag = text "</" <> text tagType <> char '>' - in if isIndented - then openTag $$ nest 2 contents $$ closeTag - else openTag <> contents <> closeTag - --- | Return a self-closing tag of tagType with specified attributes -selfClosingTag :: String -> [(String, String)] -> Doc -selfClosingTag tagType attribs = - char '<' <> text tagType <> attributeList attribs <> text " />" - --- | Put the supplied contents between start and end tags of tagType. -inTagsSimple :: String -> Doc -> Doc -inTagsSimple tagType = inTags False tagType [] - --- | Put the supplied contents in indented block btw start and end tags. -inTagsIndented :: String -> Doc -> Doc -inTagsIndented tagType = inTags True tagType [] - -- | Auxiliary function to convert Plain block to Para. plainToPara :: Block -> Block plainToPara (Plain x) = Para x diff --git a/Text/Pandoc/XML.hs b/Text/Pandoc/XML.hs new file mode 100644 index 000000000..a09a8c150 --- /dev/null +++ b/Text/Pandoc/XML.hs @@ -0,0 +1,88 @@ +{- +Copyright (C) 2006-7 John MacFarlane <jgm@berkeley.edu> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +-} + +{- | + Module : Text.Pandoc.XML + Copyright : Copyright (C) 2006-7 John MacFarlane + License : GNU GPL, version 2 or above + + Maintainer : John MacFarlane <jgm@berkeley.edu> + Stability : alpha + Portability : portable + +Functions for escaping and formatting XML. +-} +module Text.Pandoc.XML ( escapeCharForXML, + escapeStringForXML, + inTags, + selfClosingTag, + inTagsSimple, + inTagsIndented ) where +import Text.PrettyPrint.HughesPJ + +-- | Escape one character as needed for XML. +escapeCharForXML :: Char -> String +escapeCharForXML x = case x of + '&' -> "&" + '<' -> "<" + '>' -> ">" + '"' -> """ + '\160' -> " " + c -> [c] + +-- | True if the character needs to be escaped. +needsEscaping :: Char -> Bool +needsEscaping c = c `elem` "&<>\"\160" + +-- | Escape string as needed for XML. Entity references are not preserved. +escapeStringForXML :: String -> String +escapeStringForXML "" = "" +escapeStringForXML str = + case break needsEscaping str of + (okay, "") -> okay + (okay, (c:cs)) -> okay ++ escapeCharForXML c ++ escapeStringForXML cs + +-- | Return a text object with a string of formatted XML attributes. +attributeList :: [(String, String)] -> Doc +attributeList = text . concatMap + (\(a, b) -> " " ++ escapeStringForXML a ++ "=\"" ++ + escapeStringForXML b ++ "\"") + +-- | Put the supplied contents between start and end tags of tagType, +-- with specified attributes and (if specified) indentation. +inTags:: Bool -> String -> [(String, String)] -> Doc -> Doc +inTags isIndented tagType attribs contents = + let openTag = char '<' <> text tagType <> attributeList attribs <> + char '>' + closeTag = text "</" <> text tagType <> char '>' + in if isIndented + then openTag $$ nest 2 contents $$ closeTag + else openTag <> contents <> closeTag + +-- | Return a self-closing tag of tagType with specified attributes +selfClosingTag :: String -> [(String, String)] -> Doc +selfClosingTag tagType attribs = + char '<' <> text tagType <> attributeList attribs <> text " />" + +-- | Put the supplied contents between start and end tags of tagType. +inTagsSimple :: String -> Doc -> Doc +inTagsSimple tagType = inTags False tagType [] + +-- | Put the supplied contents in indented block btw start and end tags. +inTagsIndented :: String -> Doc -> Doc +inTagsIndented tagType = inTags True tagType [] |