ConfigRead: Difference between revisions
From NSIS Wiki
Jump to navigationJump to search
m (Forgot to put authors in.) |
m (Updated by user: Instructor (talk, contrib).) |
||
| Line 3: | Line 3: | ||
|} | |} | ||
<br style="clear:both;"> | <br style="clear:both;"> | ||
== Links == | |||
; Latest version of headers "nsh.zip": | |||
: http://forums.winamp.com/showthread.php?s=&threadid=203228&goto=lastpost | |||
== The Function == | == The Function == | ||
<highlight-nsis>/* | <highlight-nsis>/* | ||
Revision as of 11:47, 27 May 2005
| Author: Instructor (talk, contrib) |
Links
- Latest version of headers "nsh.zip"
- http://forums.winamp.com/showthread.php?s=&threadid=203228&goto=lastpost
The Function
/* ____________________________________________________________________________ ConfigRead v1.0 ____________________________________________________________________________ Read value from entry name in config file. Syntax: ${ConfigRead} "[File]" "[Entry]" $var "[File]" ; config file ; "[Entry]" ; entry name ; $var ; Result: Value Note: -Error flag if file isn't exist Example1: Section ${ConfigRead} "C:\AUTOEXEC.BAT" "SET winbootdir=" $R0 ;$R0=C:\WINDOWS SectionEnd Example2: Section ${ConfigRead} "C:\apache\conf\httpd.conf" "Timeout " $R0 ;$R0=30 SectionEnd*/ ;--------------------------------------------------------------------------- Function ConfigRead !define ConfigRead `!insertmacro ConfigReadCall` !macro ConfigReadCall _FILE _ENTRY _RESULT Push `${_FILE}` Push `${_ENTRY}` Call ConfigRead Pop ${_RESULT} !macroend Exch $1 Exch Exch $0 Exch Push $2 Push $3 Push $4 ClearErrors FileOpen $2 $0 r IfErrors error StrLen $0 $1 StrCmp $0 0 error readnext: FileRead $2 $3 IfErrors empty StrCpy $4 $3 $0 StrCmp $4 $1 0 readnext StrCpy $0 $3 '' $0 StrCpy $4 $0 1 -1 StrCmp $4 '$\r' +2 StrCmp $4 '$\n' 0 close StrCpy $0 $0 -1 goto -4 error: SetErrors empty: StrCpy $0 '' close: FileClose $2 Pop $4 Pop $3 Pop $2 Pop $1 Exch $0 FunctionEnd
