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-rw-r--r--src/Text/Pandoc/Readers/LaTeX.hs141
-rw-r--r--src/Text/Pandoc/Readers/LaTeX/Macro.hs153
2 files changed, 155 insertions, 139 deletions
diff --git a/src/Text/Pandoc/Readers/LaTeX.hs b/src/Text/Pandoc/Readers/LaTeX.hs
index 9ad94e417..fa77595b9 100644
--- a/src/Text/Pandoc/Readers/LaTeX.hs
+++ b/src/Text/Pandoc/Readers/LaTeX.hs
@@ -47,8 +47,7 @@ import Text.Pandoc.Logging
import Text.Pandoc.Options
import Text.Pandoc.Parsing hiding (blankline, many, mathDisplay, mathInline,
optional, space, spaces, withRaw, (<|>))
-import Text.Pandoc.Readers.LaTeX.Types (ExpansionPoint (..), Macro (..),
- ArgSpec (..), Tok (..), TokType (..))
+import Text.Pandoc.Readers.LaTeX.Types (Tok (..), TokType (..))
import Text.Pandoc.Readers.LaTeX.Parsing
import Text.Pandoc.Readers.LaTeX.Accent (accentCommands)
import Text.Pandoc.Readers.LaTeX.Citation (citationCommands, cites)
@@ -58,6 +57,7 @@ import Text.Pandoc.Readers.LaTeX.Math (dollarsMath, inlineEnvironments,
newtheorem, theoremstyle, proof,
theoremEnvironment)
import Text.Pandoc.Readers.LaTeX.Table (tableEnvironments)
+import Text.Pandoc.Readers.LaTeX.Macro (macroDef)
import Text.Pandoc.Readers.LaTeX.Lang (polyglossiaLangToBCP47,
babelLangToBCP47, setDefaultLanguage)
import Text.Pandoc.Readers.LaTeX.SIunitx (siunitxCommands)
@@ -1027,143 +1027,6 @@ authors = try $ do
egroup
addMeta "author" (map trimInlines auths)
-macroDef :: (PandocMonad m, Monoid a) => (Text -> a) -> LP m a
-macroDef constructor = do
- (_, s) <- withRaw (commandDef <|> environmentDef)
- (constructor (untokenize s) <$
- guardDisabled Ext_latex_macros)
- <|> return mempty
- where commandDef = do
- (name, macro') <- newcommand <|> letmacro <|> defmacro
- guardDisabled Ext_latex_macros <|>
- updateState (\s -> s{ sMacros = M.insert name macro' (sMacros s) })
- environmentDef = do
- mbenv <- newenvironment
- case mbenv of
- Nothing -> return ()
- Just (name, macro1, macro2) ->
- guardDisabled Ext_latex_macros <|>
- do updateState $ \s -> s{ sMacros =
- M.insert name macro1 (sMacros s) }
- updateState $ \s -> s{ sMacros =
- M.insert ("end" <> name) macro2 (sMacros s) }
- -- @\newenvironment{envname}[n-args][default]{begin}{end}@
- -- is equivalent to
- -- @\newcommand{\envname}[n-args][default]{begin}@
- -- @\newcommand{\endenvname}@
-
-letmacro :: PandocMonad m => LP m (Text, Macro)
-letmacro = do
- controlSeq "let"
- (name, contents) <- withVerbatimMode $ do
- Tok _ (CtrlSeq name) _ <- anyControlSeq
- optional $ symbol '='
- spaces
- -- we first parse in verbatim mode, and then expand macros,
- -- because we don't want \let\foo\bar to turn into
- -- \let\foo hello if we have previously \def\bar{hello}
- contents <- bracedOrToken
- return (name, contents)
- contents' <- doMacros' 0 contents
- return (name, Macro ExpandWhenDefined [] Nothing contents')
-
-defmacro :: PandocMonad m => LP m (Text, Macro)
-defmacro = try $
- -- we use withVerbatimMode, because macros are to be expanded
- -- at point of use, not point of definition
- withVerbatimMode $ do
- controlSeq "def"
- Tok _ (CtrlSeq name) _ <- anyControlSeq
- argspecs <- many (argspecArg <|> argspecPattern)
- contents <- bracedOrToken
- return (name, Macro ExpandWhenUsed argspecs Nothing contents)
-
-argspecArg :: PandocMonad m => LP m ArgSpec
-argspecArg = do
- Tok _ (Arg i) _ <- satisfyTok isArgTok
- return $ ArgNum i
-
-argspecPattern :: PandocMonad m => LP m ArgSpec
-argspecPattern =
- Pattern <$> many1 (satisfyTok (\(Tok _ toktype' txt) ->
- (toktype' == Symbol || toktype' == Word) &&
- (txt /= "{" && txt /= "\\" && txt /= "}")))
-
-newcommand :: PandocMonad m => LP m (Text, Macro)
-newcommand = do
- pos <- getPosition
- Tok _ (CtrlSeq mtype) _ <- controlSeq "newcommand" <|>
- controlSeq "renewcommand" <|>
- controlSeq "providecommand" <|>
- controlSeq "DeclareMathOperator" <|>
- controlSeq "DeclareRobustCommand"
- withVerbatimMode $ do
- Tok _ (CtrlSeq name) txt <- do
- optional (symbol '*')
- anyControlSeq <|>
- (symbol '{' *> spaces *> anyControlSeq <* spaces <* symbol '}')
- spaces
- numargs <- option 0 $ try bracketedNum
- let argspecs = map ArgNum [1..numargs]
- spaces
- optarg <- option Nothing $ Just <$> try bracketedToks
- spaces
- contents' <- bracedOrToken
- let contents =
- case mtype of
- "DeclareMathOperator" ->
- Tok pos (CtrlSeq "mathop") "\\mathop"
- : Tok pos Symbol "{"
- : Tok pos (CtrlSeq "mathrm") "\\mathrm"
- : Tok pos Symbol "{"
- : (contents' ++
- [ Tok pos Symbol "}", Tok pos Symbol "}" ])
- _ -> contents'
- macros <- sMacros <$> getState
- case M.lookup name macros of
- Just macro
- | mtype == "newcommand" -> do
- report $ MacroAlreadyDefined txt pos
- return (name, macro)
- | mtype == "providecommand" -> return (name, macro)
- _ -> return (name, Macro ExpandWhenUsed argspecs optarg contents)
-
-newenvironment :: PandocMonad m => LP m (Maybe (Text, Macro, Macro))
-newenvironment = do
- pos <- getPosition
- Tok _ (CtrlSeq mtype) _ <- controlSeq "newenvironment" <|>
- controlSeq "renewenvironment" <|>
- controlSeq "provideenvironment"
- withVerbatimMode $ do
- optional $ symbol '*'
- spaces
- name <- untokenize <$> braced
- spaces
- numargs <- option 0 $ try bracketedNum
- spaces
- optarg <- option Nothing $ Just <$> try bracketedToks
- let argspecs = map (\i -> ArgNum i) [1..numargs]
- startcontents <- spaces >> bracedOrToken
- endcontents <- spaces >> bracedOrToken
- macros <- sMacros <$> getState
- case M.lookup name macros of
- Just _
- | mtype == "newenvironment" -> do
- report $ MacroAlreadyDefined name pos
- return Nothing
- | mtype == "provideenvironment" ->
- return Nothing
- _ -> return $ Just (name,
- Macro ExpandWhenUsed argspecs optarg startcontents,
- Macro ExpandWhenUsed [] Nothing endcontents)
-
-bracketedNum :: PandocMonad m => LP m Int
-bracketedNum = do
- ds <- untokenize <$> bracketedToks
- case safeRead ds of
- Just i -> return i
- _ -> return 0
-
looseItem :: PandocMonad m => LP m Blocks
looseItem = do
inListItem <- sInListItem <$> getState
diff --git a/src/Text/Pandoc/Readers/LaTeX/Macro.hs b/src/Text/Pandoc/Readers/LaTeX/Macro.hs
new file mode 100644
index 000000000..607f5438c
--- /dev/null
+++ b/src/Text/Pandoc/Readers/LaTeX/Macro.hs
@@ -0,0 +1,153 @@
+{-# LANGUAGE OverloadedStrings #-}
+module Text.Pandoc.Readers.LaTeX.Macro
+ ( macroDef
+ )
+where
+import Text.Pandoc.Extensions (Extension(..))
+import Text.Pandoc.Logging (LogMessage(MacroAlreadyDefined))
+import Text.Pandoc.Readers.LaTeX.Parsing
+import Text.Pandoc.Readers.LaTeX.Types
+import Text.Pandoc.Class
+import Text.Pandoc.Shared (safeRead)
+import Text.Pandoc.Parsing hiding (blankline, mathDisplay, mathInline,
+ optional, space, spaces, withRaw, (<|>))
+import Control.Applicative ((<|>), optional)
+import qualified Data.Map as M
+import Data.Text (Text)
+
+macroDef :: (PandocMonad m, Monoid a) => (Text -> a) -> LP m a
+macroDef constructor = do
+ (_, s) <- withRaw (commandDef <|> environmentDef)
+ (constructor (untokenize s) <$
+ guardDisabled Ext_latex_macros)
+ <|> return mempty
+ where commandDef = do
+ (name, macro') <- newcommand <|> letmacro <|> defmacro
+ guardDisabled Ext_latex_macros <|>
+ updateState (\s -> s{ sMacros = M.insert name macro' (sMacros s) })
+ environmentDef = do
+ mbenv <- newenvironment
+ case mbenv of
+ Nothing -> return ()
+ Just (name, macro1, macro2) ->
+ guardDisabled Ext_latex_macros <|>
+ do updateState $ \s -> s{ sMacros =
+ M.insert name macro1 (sMacros s) }
+ updateState $ \s -> s{ sMacros =
+ M.insert ("end" <> name) macro2 (sMacros s) }
+ -- @\newenvironment{envname}[n-args][default]{begin}{end}@
+ -- is equivalent to
+ -- @\newcommand{\envname}[n-args][default]{begin}@
+ -- @\newcommand{\endenvname}@
+
+letmacro :: PandocMonad m => LP m (Text, Macro)
+letmacro = do
+ controlSeq "let"
+ (name, contents) <- withVerbatimMode $ do
+ Tok _ (CtrlSeq name) _ <- anyControlSeq
+ optional $ symbol '='
+ spaces
+ -- we first parse in verbatim mode, and then expand macros,
+ -- because we don't want \let\foo\bar to turn into
+ -- \let\foo hello if we have previously \def\bar{hello}
+ contents <- bracedOrToken
+ return (name, contents)
+ contents' <- doMacros' 0 contents
+ return (name, Macro ExpandWhenDefined [] Nothing contents')
+
+defmacro :: PandocMonad m => LP m (Text, Macro)
+defmacro = try $
+ -- we use withVerbatimMode, because macros are to be expanded
+ -- at point of use, not point of definition
+ withVerbatimMode $ do
+ controlSeq "def"
+ Tok _ (CtrlSeq name) _ <- anyControlSeq
+ argspecs <- many (argspecArg <|> argspecPattern)
+ contents <- bracedOrToken
+ return (name, Macro ExpandWhenUsed argspecs Nothing contents)
+
+argspecArg :: PandocMonad m => LP m ArgSpec
+argspecArg = do
+ Tok _ (Arg i) _ <- satisfyTok isArgTok
+ return $ ArgNum i
+
+argspecPattern :: PandocMonad m => LP m ArgSpec
+argspecPattern =
+ Pattern <$> many1 (satisfyTok (\(Tok _ toktype' txt) ->
+ (toktype' == Symbol || toktype' == Word) &&
+ (txt /= "{" && txt /= "\\" && txt /= "}")))
+
+newcommand :: PandocMonad m => LP m (Text, Macro)
+newcommand = do
+ pos <- getPosition
+ Tok _ (CtrlSeq mtype) _ <- controlSeq "newcommand" <|>
+ controlSeq "renewcommand" <|>
+ controlSeq "providecommand" <|>
+ controlSeq "DeclareMathOperator" <|>
+ controlSeq "DeclareRobustCommand"
+ withVerbatimMode $ do
+ Tok _ (CtrlSeq name) txt <- do
+ optional (symbol '*')
+ anyControlSeq <|>
+ (symbol '{' *> spaces *> anyControlSeq <* spaces <* symbol '}')
+ spaces
+ numargs <- option 0 $ try bracketedNum
+ let argspecs = map ArgNum [1..numargs]
+ spaces
+ optarg <- option Nothing $ Just <$> try bracketedToks
+ spaces
+ contents' <- bracedOrToken
+ let contents =
+ case mtype of
+ "DeclareMathOperator" ->
+ Tok pos (CtrlSeq "mathop") "\\mathop"
+ : Tok pos Symbol "{"
+ : Tok pos (CtrlSeq "mathrm") "\\mathrm"
+ : Tok pos Symbol "{"
+ : (contents' ++
+ [ Tok pos Symbol "}", Tok pos Symbol "}" ])
+ _ -> contents'
+ macros <- sMacros <$> getState
+ case M.lookup name macros of
+ Just macro
+ | mtype == "newcommand" -> do
+ report $ MacroAlreadyDefined txt pos
+ return (name, macro)
+ | mtype == "providecommand" -> return (name, macro)
+ _ -> return (name, Macro ExpandWhenUsed argspecs optarg contents)
+
+newenvironment :: PandocMonad m => LP m (Maybe (Text, Macro, Macro))
+newenvironment = do
+ pos <- getPosition
+ Tok _ (CtrlSeq mtype) _ <- controlSeq "newenvironment" <|>
+ controlSeq "renewenvironment" <|>
+ controlSeq "provideenvironment"
+ withVerbatimMode $ do
+ optional $ symbol '*'
+ spaces
+ name <- untokenize <$> braced
+ spaces
+ numargs <- option 0 $ try bracketedNum
+ spaces
+ optarg <- option Nothing $ Just <$> try bracketedToks
+ let argspecs = map (\i -> ArgNum i) [1..numargs]
+ startcontents <- spaces >> bracedOrToken
+ endcontents <- spaces >> bracedOrToken
+ macros <- sMacros <$> getState
+ case M.lookup name macros of
+ Just _
+ | mtype == "newenvironment" -> do
+ report $ MacroAlreadyDefined name pos
+ return Nothing
+ | mtype == "provideenvironment" ->
+ return Nothing
+ _ -> return $ Just (name,
+ Macro ExpandWhenUsed argspecs optarg startcontents,
+ Macro ExpandWhenUsed [] Nothing endcontents)
+
+bracketedNum :: PandocMonad m => LP m Int
+bracketedNum = do
+ ds <- untokenize <$> bracketedToks
+ case safeRead ds of
+ Just i -> return i
+ _ -> return 0
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 02:23:43 +0000