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Diffstat (limited to 'tex/context/base/mkiv/file-ini.mklx')
| -rw-r--r-- | tex/context/base/mkiv/file-ini.mklx | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/tex/context/base/mkiv/file-ini.mklx b/tex/context/base/mkiv/file-ini.mklx deleted file mode 100644 index a410854a8..000000000 --- a/tex/context/base/mkiv/file-ini.mklx +++ /dev/null @@ -1,231 +0,0 @@ -%D \module -%D [ file=file-ini, % was supp-fil, -%D version=20110701, % 1995.10.10, -%D title=\CONTEXT\ File Macros, -%D subtitle=Helpers, -%D date=\currentdate, -%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}] -%C -%C This module is part of the \CONTEXT\ macro||package and is -%C therefore copyrighted by \PRAGMA. See mreadme.pdf for -%C details. - -%D \TEX\ operates on files, so one wouldn't wonder that there is a separate module -%D for file commands. In \CONTEXT\ files are used for several purposes: -%D -%D \startitemize[packed] -%D \item general textual input -%D \item logging status information -%D \item saving registers, lists and references -%D \item buffering defered textual input -%D \stopitemize -%D -%D When dealing with files we can load them as a whole, using the \type {\input} -%D primitive or load them on a line||by||line basis, using \type {\read}. Writing is -%D always done line by line, using \type {\write}. - -\writestatus{loading}{ConTeXt File Macros / Helpers} - -\registerctxluafile{file-ini}{} - -\unprotect - -%D \macros -%D {scratchread, scratchwrite} -%D -%D We define a scratch file for reading. Keep in mind that the number of files is -%D limited to~16, so use this one when possible. We also define a scratch output -%D file. In \MKIV\ and \LMTX\ we never use these file handles. - -\ifdefined\scratchread \else \newread \scratchread \fi -\ifdefined\scratchwrite \else \newwrite\scratchwrite \fi - -%D Seldom needed: - -\permanent\def\openinputfile #handle#name{\immediate\openin #handle={#name}\relax} -\permanent\def\openoutputfile #handle#name{\immediate\openout#handle={#name}\relax} - -\permanent\def\closeinputfile #handle{\immediate\closein #handle\relax} -\permanent\def\closeoutputfile#handle{\immediate\closeout#handle\relax} - -%D \macros -%D {writeln} -%D -%D This saves a few tokens: - -\permanent\def\writeln#handle{\write#handle{}} - -%D \macros -%D {pushendofline,popendofline} -%D -%D When we are loading files in the middle of the typesetting process, for instance -%D when we load references, we have to be sure that the reading process does not -%D generate so called 'spurious spaces'. This can be prevented by assigning the line -%D ending character the \CATCODE\ comment. This is accomplished by -%D -%D \starttyping -%D \pushendofline -%D ... reading ... -%D \popendofline -%D \stoptyping - -\installsystemnamespace{eolstack} - -\newcount\c_system_files_eol_level - -\permanent\protected\def\pushendofline - {\advance\c_system_files_eol_level\plusone - \expandafter\chardef\csname\??eolstack\number\c_system_files_eol_level\endcsname\catcode\endoflineasciicode - \catcode\endoflineasciicode\commentcatcode} - -\permanent\protected\def\popendofline - {\catcode\endoflineasciicode\csname\??eolstack\number\c_system_files_eol_level\endcsname - \advance\c_system_files_eol_level\minusone} - -\permanent\protected\def\restoreendofline - {\catcode\endoflineasciicode\endoflinecatcode} - -%D \macros -%D {startreadingfile,stopreadingfile} -%D -%D A low level capsule: - -\newcount\readingfilelevel % no longer needed -\newtoks \everystartreadingfile -\newtoks \everystopreadingfile - -\protected\def\startreadingfile% beter een every en \setnormalcatcodes - {\global\advance\readingfilelevel\plusone - \the\everystartreadingfile - \pushcatcodetable % saveguard - \setcatcodetable\ctxcatcodes - \clf_pushregime}% temporarily this way - -\protected\def\stopreadingfile - {\popcatcodetable % saveguard - \clf_popregime % temporarily this way - \the\everystopreadingfile - \global\advance\readingfilelevel\minusone} - -%D \macros -%D {input, normalinput} -%D -%D Sometimes we run into troubles when \type {\input} wants to get expanded, e.g. in -%D a \type {\write} (which happens in the metafun manual when we permit long MP -%D lines). So, instead of fixing that, we go for a redefinition of \type {\input}. -%D Of course it's better to use \type {\readfile} or \type {\processfile}. - -\permanent\def\inputgivenfile#name{\normalinput{#name}} % expands - -%D \macros -%D {doifelsefile} -%D -%D The next alternative only looks if a file is present. No loading is done. This -%D one obeys the standard \TEX\ lookup. -%D -%D \starttyping -%D \doiffileelse {filename} {found} {not found} -%D \stoptyping - -\permanent\protected\def\doifelsefile {\clf_doifelsefileexist} -\permanent\protected\def\doifelsepath {\clf_doifelsepathexist} -\permanent\protected\def\doiffile #name{\clf_doifelsefileexist{#name}\firstofoneargument\gobbleoneargument} -\permanent\protected\def\doifnotfile #name{\clf_doifelsefileexist{#name}\gobbleoneargument\firstofoneargument} - -\aliased\let\doiffileelse\doifelsefile -\aliased\let\doifpathelse\doifelsepath - -\aliased\let\doifelsefileexists\doifelsefile -\aliased\let\doifelsepathexists\doifelsepath - -\aliased\let\doiffileexistselse\doifelsefileexists -\aliased\let\doifpathexistselse\doifelsepathexists - -%D \macros -%D {doifparentfileelse} -%D -%D \starttyping -%D \doifparentfileelse{filename}{yes}{no} -%D \stoptyping - -\ifdefined\outputfilename \else \def\outputfilename{\jobname} \fi - -\permanent\protected\def\doifelseparentfile{\clf_doifelseparentfile} - -\aliased\let\doifparentfileelse\doifelseparentfile - -%D \macros -%D {splitfilename} -%D -%D \startbuffer -%D \def\showfilesplit -%D {\bgroup \tttf -%D \hbox{(full: \splitofffull)}\space -%D \hbox{(path: \splitoffpath)}\space -%D \hbox{(base: \splitoffbase)}\space -%D \hbox{(name: \splitoffname)}\space -%D \hbox{(type: \splitofftype)}\space -%D \egroup} -%D -%D \splitfilename{c:/aa/bb/cc/dd.ee.ff} \showfilesplit \endgraf -%D \splitfilename{c:/aa/bb/cc/dd.ee} \showfilesplit \endgraf -%D \splitfilename{c:/aa/bb/cc/dd} \showfilesplit \endgraf -%D -%D \splitfilename{dd.ee.ff} \showfilesplit \endgraf -%D \splitfilename{dd.ee} \showfilesplit \endgraf -%D \splitfilename{dd} \showfilesplit \endgraf -%D \stopbuffer -%D -%D \start \typebuffer \getbuffer \stop - -\newconstant\kindoffile % 0=normal 1=full path spec (or http) / set at the lua end - -\def\splitoffroot{.} \newconstant\splitoffkind - -\let\splitofffull\empty -\let\splitoffpath\empty -\let\splitoffbase\empty -\let\splitoffname\empty -\let\splitofftype\empty - -\permanent\protected\def\splitfilename{\clf_splitfilename} - -%D \macros -%D {doonlyonce, doinputonce, doendinputonce} -%D -%D Especially macropackages need only be loaded once. Repetitive loading not only -%D costs time, relocating registers often leads to abortion of the processing -%D because \TEX's capacity is limited. One can prevent multiple execution and -%D loading by using one of both: -%D -%D \starttyping -%D \doonlyonce{actions} -%D \doinputonce{filename} -%D \doendinputonce{filename} -%D \stoptyping -%D -%D This command obeys the standard method for locating files. We could move this -%D function to the \LUA\ end. - -\installsystemnamespace {fileonce} - -\permanent\protected\def\doonlyonce#whatever% - {\ifcsname\??fileonce#whatever\endcsname - \expandafter\gobbleoneargument - \else - \letgvalue{\??fileonce#whatever}\relax - \expandafter\firstofoneargument - \fi} - -\permanent\protected\def\doinputonce#name% - {\doonlyonce{#name}{\doifelsefile{#name}{\inputgivenfile{#name}}\donothing}} - -\permanent\protected\def\doendinputonce#name% - {\ifcsname\??fileonce#name\endcsname - \expandafter\endinput - \fi} - -\permanent\protected\def\forgetdoingonce#whatever% - {\global\undefinevalue{\??fileonce#whatever}} - -\protect \endinput |