262 lines
6 KiB
HTML
262 lines
6 KiB
HTML
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<!DOCTYPE HTML>
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>load-logical-pathname-translations | Common Lisp Nova Spec</TITLE
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><LINK REL="prev" HREF="f_pathname-host.html" TYPE="text/html" TITLE="pathname-host, pathname-device, pathname-directory, pathname-name, pathname-type, pathname-version"
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><LINK REL="up" HREF="19_4_Filenames_Dictionary.html" TYPE="text/html" TITLE="19.4 Filenames Dictionary"
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><A HREF="index.html"
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>Common Lisp Nova Spec</A
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></SPAN
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> <SPAN CLASS="breadcrumb-item"
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>→ <A HREF="19_Filenames.html"
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>19. Filenames</A
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> <SPAN CLASS="breadcrumb-item"
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>→ <A HREF="19_4_Filenames_Dictionary.html"
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>19.4 Filenames Dictionary</A
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></SPAN
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>→ <A HREF="f_load-logical-pathname-translations.html"
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>load-logical-pathname-translations</A
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>←</A
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>Apropos </SPAN
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><INPUT ID="apropos" AUTOFOCUS="AUTOFOCUS" PLACEHOLDER="Type here to search" ONINPUT="aproposInput(this);" ONKEYUP="aproposKeyup(event);" ONCHANGE="aproposChange(this);" ONFOCUS="aproposFocus(this);" ONFOCUSOUT="aproposFocusout(this);"
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><A HREF="f_logical-pathname-translations.html" CLASS="next"
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></DIV
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><HR
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><TABLE WIDTH="100%" CELLSPACING="0" CELLPADDING="0"
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><TR
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><TD ALIGN="LEFT" VALIGN="BASELINE" WIDTH="100%" CLASS="name"
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><SPAN CLASS="idx" DATA-KIND="idxref" DATA-TERM="load-logical-pathname-translations"
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></SPAN
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><B
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>load-logical-pathname-translations</B
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></TD
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><TD ALIGN="RIGHT" VALIGN="BASELINE" WIDTH="0" NOWRAP="NOWRAP" CLASS="ftype"
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><I
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>Function</I
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></TD
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></TR
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></TABLE
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><HR
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></DIV
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><UL CLASS="subtoc"
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></UL
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><DL
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><DT
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><B
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>Syntax</B
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></DT
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><DD
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><P CLASS="j"
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><B
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>load-logical-pathname-translations</B
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> <SPAN CLASS="cmssi"
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>host</SPAN
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> <SPAN CLASS="arrow"
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>→</SPAN
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> <SPAN CLASS="cmssi"
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>just-loaded</SPAN
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></P
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></DD
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><DT
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><B
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>Arguments and Values</B
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></DT
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><DD
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><P CLASS="j"
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><VAR CLASS="param"
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>host</VAR
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> — a <A HREF="26_1_Glossary.html#string"
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><EM CLASS="term"
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>string</EM
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></A
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>. </P
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><P CLASS="j"
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><EM CLASS="term"
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>just-loaded</EM
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> — a <A HREF="26_1_Glossary.html#generalized_boolean"
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><EM CLASS="term"
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>generalized boolean</EM
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></A
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>.</P
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></DD
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><DT
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><B
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>Description</B
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></DT
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><DD
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><P CLASS="j"
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>Searches for and loads the definition of a <A HREF="26_1_Glossary.html#logical_host"
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><EM CLASS="term"
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>logical host</EM
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></A
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> named <VAR CLASS="param"
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>host</VAR
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>, if it is not already defined. The specific nature of the search is <A HREF="26_1_Glossary.html#implementation-defined"
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><EM CLASS="term"
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>implementation-defined</EM
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></A
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>. </P
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><P CLASS="j"
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>If the <VAR CLASS="param"
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>host</VAR
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> is already defined, no attempt to find or load a definition is attempted, and <A HREF="26_1_Glossary.html#false"
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><EM CLASS="term"
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>false</EM
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></A
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> is returned. If the <VAR CLASS="param"
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>host</VAR
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> is not already defined, but a definition is successfully found and loaded, <A HREF="26_1_Glossary.html#true"
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><EM CLASS="term"
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>true</EM
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></A
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> is returned. Otherwise, an error is signaled.</P
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></DD
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><DT
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><B
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>Examples</B
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></DT
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><DD
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><PRE CLASS="screen"
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> (translate-logical-pathname "hacks:weather;barometer.lisp.newest")
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<SPAN CLASS="cmr"
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>⊳</SPAN
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> Error: The logical host HACKS is not defined.
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(load-logical-pathname-translations "HACKS")
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<SPAN CLASS="cmr"
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>⊳</SPAN
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> ;; Loading SYS:SITE;HACKS.TRANSLATIONS
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<SPAN CLASS="cmr"
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>⊳</SPAN
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> ;; Loading done.
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<SPAN CLASS="cmsy"
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><SPAN CLASS="arrow"
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>→</SPAN
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></SPAN
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> <A HREF="26_1_Glossary.html#true"
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><EM CLASS="term"
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>true</EM
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></A
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>
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(translate-logical-pathname "hacks:weather;barometer.lisp.newest")
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<SPAN CLASS="cmsy"
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><SPAN CLASS="arrow"
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>→</SPAN
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></SPAN
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> #P"HELIUM:[SHARED.HACKS.WEATHER]BAROMETER.LSP;0"
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(load-logical-pathname-translations "HACKS")
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<SPAN CLASS="cmsy"
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><SPAN CLASS="arrow"
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>→</SPAN
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></SPAN
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> <A HREF="26_1_Glossary.html#false"
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><EM CLASS="term"
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>false</EM
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></A
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></PRE
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></DD
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><DT
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><B
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>Exceptional Situations</B
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></DT
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><DD
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><P CLASS="j"
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>If no definition is found, an error of <A HREF="26_1_Glossary.html#type"
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><EM CLASS="term"
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>type</EM
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></A
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> <A HREF="t_error.html" CLASS="typeref"
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><B
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>error</B
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></A
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> is signaled.</P
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></DD
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><DT
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><B
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>See Also</B
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></DT
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><DD
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><P CLASS="j"
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><A HREF="t_logical-pathname.html" CLASS="typeref"
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><B
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>logical-pathname</B
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></A
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></P
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></DD
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><DT
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><B
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>Notes</B
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></DT
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><DD
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><P CLASS="j"
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><A HREF="26_1_Glossary.html#logical_pathname"
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><EM CLASS="term"
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>Logical pathname</EM
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></A
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> definitions will be created not just by <EM CLASS="term"
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>implementors</EM
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> but also by <A HREF="26_1_Glossary.html#programmer"
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><EM CLASS="term"
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>programmers</EM
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></A
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>. As such, it is important that the search strategy be documented. For example, an <A HREF="26_1_Glossary.html#implementation"
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><EM CLASS="term"
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>implementation</EM
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></A
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> might define that the definition of a <VAR CLASS="param"
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>host</VAR
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> is to be found in a file called “<VAR CLASS="param"
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>host</VAR
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>.translations” in some specifically named directory.</P
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></DD
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></DL
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></DIV
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></DIV
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><DIV CLASS="footer"
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><DIV CLASS="btmnav"
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><A HREF="f_pathname-host.html" CLASS="prev"
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>←</A
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><A HREF="f_logical-pathname-translations.html" CLASS="next"
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>→</A
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></DIV
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><DIV CLASS="trail"
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>Conversion to HTML copyright 2023 by Gilbert Baumann</DIV
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></DIV
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