Unicode FileRead: Difference between revisions
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{ | {{PageAuthor|lob}} | ||
== Description == | == Description == | ||
Read Unicode Files. | Read Unicode Files. | ||
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<highlight-nsis> | <highlight-nsis> | ||
Function "FileReadUnicode" | Function "FileReadUnicode" | ||
Push $0 | |||
Exch | |||
Pop $0 ; handle | Pop $0 ; handle | ||
Push $1 | Push $1 | ||
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Push $3 | Push $3 | ||
Push $4 | Push $4 | ||
IntOp $4 0 + 0 | IntOp $4 0 + 0 | ||
IntOp $3 0 + 0 | IntOp $3 0 + 0 | ||
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Exch | Exch | ||
Pop $1 | Pop $1 | ||
Exch | |||
Pop $0 | |||
FunctionEnd | FunctionEnd | ||
</highlight-nsis> | </highlight-nsis> | ||
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</highlight-nsis> | </highlight-nsis> | ||
[[ | [[Category:Text Files Manipulation Functions]] | ||
Latest revision as of 15:39, 6 October 2010
| Author: lob (talk, contrib) |
Description
Read Unicode Files. The Function is very similar to the built in FileRead function. It reads in an ASCII Unicode text files by line. Note that multi byte characters are not read correctly and characters with more than two bytes throw the whole line if not the whole file off.
The Function
Function "FileReadUnicode" Push $0 Exch Pop $0 ; handle Push $1 Push $2 Push $3 Push $4 IntOp $4 0 + 0 IntOp $3 0 + 0 StrCpy $1 "" SetErrorLevel 0 read: FileReadByte $0 $2 IntCmp $4 0 0 skip skip IntCmp $2 0x0a skip 0 0 IntCmp $2 0x0d readsecondhalf 0 0 IntCmp $2 0 done 0 0 IntFmt $2 "%c" $2 StrCpy $1 "$1$2" skip: IntOp $4 $4 + 1 IntOp $4 $4 % 2 Goto read readsecondhalf: FileReadByte $0 $2 done: Pop $4 Pop $3 Pop $2 Push $1 Exch Pop $1 Exch Pop $0 FunctionEnd
Sample Code
FileOpen $R0 "c:\unicode.txt" r IfErrors done read: Push $R0 Call FileReadUnicode Pop $R1 IfErrors done MessageBox MB_OK "$R1" Goto read done:
