ConfigRead: Difference between revisions
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|<small>Author: [[{{ns:2}}:Instructor|Instructor]] ([[{{ns:3}}:Instructor|talk]], [[{{ns:-1}}:Contributions/Instructor|contrib]])</small> | |||
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== The Function == | == The Function == | ||
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Revision as of 07:29, 21 May 2005
| Author: Instructor (talk, contrib) |
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
