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182 lines
6.9 KiB
OpenEdge ABL
182 lines
6.9 KiB
OpenEdge ABL
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{
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Created: Saturday, July 27, 1991 at 7:46 PM
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Aliases.p
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Pascal Interface to the Macintosh Libraries
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Copyright Apple Computer, Inc. 1989-1991
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All rights reserved
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This file is used in these builds: BigBang
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Change History (most recent first):
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<18> 7/30/91 JL Updated Copyright.
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<17> 2/4/91 JL changed fullpath to fullPath; changed spelling capitalization.
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<16> 1/28/91 JAL (MH)kARMmountVol etc. are now explicitly 32 bit constants (8 hex digits)
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Checked in Database generated file.
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<15> 1/7/91 JDR (dba) NewAliasMinimalFromFullpath had its case incorrect and is
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now NewAliasMinimalFromFullPath to match the .h interface. Also
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corrected the case for fullPathLength and fullPath.
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<14> 11/29/90 PP (PP/ich) Fix a typo in Filter proc comment.
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<13> 8/6/90 PP zoneName in MinimalFullpathAlias is Str32 and not Str31.
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<12> 7/2/90 PP Add ResolveAliasFile.
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<11> 6/20/90 ngk Removed CanonicalFileSpec and replaced it with FSSpec.
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Added type def for AliasFilterProcPtr. Changed
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yourDataPtr type to UNIV Ptr.
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<10> 6/15/90 PP Remove SelectAlias.
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<9> 4/10/90 PP Add kARMnoUI bit for rules mask.
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<8> 4/7/90 ngk Change fromFile back to an CanonicalFileSpecPtr, since it can be
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NIL.
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<7> 4/5/90 PP Add kARMsearchRelFirst to MatchAlias rulesMask. Rename
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"callbackPtr" to "yourDataPtr".
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<6> 3/20/90 PP Add interfaces for minimal alias support. userType in alias
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record is OSType and not ResType.
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<3> 1/26/90 ngk Changed CanonicalFileSpecPtr to CanonicalFileSpec in NewAlias
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<2> 1/7/90 ngk Fix comments
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<1> 1/7/90 ngk Renamed from Alias.p to Aliases.p
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<1.9> 12/15/89 prp Fix parameter variable names.
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<1.8> 10/2/89 prp Added 'GetAliasInfo' routine.
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<1.7> 9/18/89 ngk removed old API definitions.
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<1.6> 9/18/89 prp SelectAlias, MatchAlias and UpdateAlias has API changes with
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additional parameters.
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<1.5> 9/6/89 prp Added DisposeAlias back until DPMgr is in sync.
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<1.4> 9/6/89 prp Changes from CodeReview.
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<1.3> 8/7/89 prp Added SelectAlias routine as an external interface.
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<1.2> 6/12/89 prp Took out emphasize relative path rules bit.
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<1.1> 6/8/89 prp Alias Manager Trap # changed from $A825 to $A823
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<1.0> 5/30/89 ngk Submitted for first time
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}
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{$IFC UNDEFINED UsingIncludes}
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{$SETC UsingIncludes := 0}
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{$ENDC}
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{$IFC NOT UsingIncludes}
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UNIT Aliases;
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INTERFACE
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{$ENDC}
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{$IFC UNDEFINED UsingAliases}
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{$SETC UsingAliases := 1}
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{$I+}
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{$SETC AliasesIncludes := UsingIncludes}
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{$SETC UsingIncludes := 1}
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{$IFC UNDEFINED UsingTypes}
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{$I $$Shell(PInterfaces)Types.p}
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{$ENDC}
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{$IFC UNDEFINED UsingDialogs}
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{$I $$Shell(PInterfaces)Dialogs.p}
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{$ENDC}
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{$IFC UNDEFINED UsingAppleTalk}
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{$I $$Shell(PInterfaces)AppleTalk.p}
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{$ENDC}
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{$IFC UNDEFINED UsingFiles}
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{$I $$Shell(PInterfaces)Files.p}
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{$ENDC}
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{$SETC UsingIncludes := AliasesIncludes}
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CONST
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rAliasType = 'alis'; { Aliases are stored as resources of this type }
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{ define alias resolution action rules mask }
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kARMMountVol = $00000001; { mount the volume automatically }
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kARMNoUI = $00000002; { no user interface allowed during resolution }
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kARMMultVols = $00000008; { search on multiple volumes }
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kARMSearch = $00000100; { search quickly }
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kARMSearchMore = $00000200; { search further }
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kARMSearchRelFirst = $00000400; { search target on a relative path first }
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{ define alias record information types }
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asiZoneName = -3; { get zone name }
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asiServerName = -2; { get server name }
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asiVolumeName = -1; { get volume name }
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asiAliasName = 0; { get aliased file/folder/volume name }
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asiParentName = 1; { get parent folder name }
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TYPE
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{ define the alias record that will be the blackbox for the caller }
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AliasPtr = ^AliasRecord;
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AliasHandle = ^AliasPtr;
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AliasRecord = RECORD
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userType: OSType; { appl stored type like creator type }
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aliasSize: INTEGER; { alias record size in bytes, for appl usage }
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END;
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AliasInfoType = INTEGER; { alias record information type }
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AliasFilterProcPtr = ProcPtr;
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{ create a new alias between fromFile-target and return alias record handle }
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FUNCTION NewAlias(fromFile: FSSpecPtr;
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target: FSSpec;
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VAR alias: AliasHandle): OSErr;
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INLINE $7002,$A823;
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{ create a minimal new alias for a target and return alias record handle }
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FUNCTION NewAliasMinimal(target: FSSpec;
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VAR alias: AliasHandle): OSErr;
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INLINE $7008,$A823;
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{ create a minimal new alias from a target fullpath (optional zone and server name) and return alias record handle }
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FUNCTION NewAliasMinimalFromFullPath(fullPathLength: INTEGER;
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fullPath: Ptr;
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zoneName: Str32;
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serverName: Str31;
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VAR alias: AliasHandle): OSErr;
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INLINE $7009,$A823;
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{ given an alias handle and fromFile, resolve the alias, update the alias record and return aliased filename and wasChanged flag. }
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FUNCTION ResolveAlias(fromFile: FSSpecPtr;
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alias: AliasHandle;
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VAR target: FSSpec;
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VAR wasChanged: BOOLEAN): OSErr;
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INLINE $7003,$A823;
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{ given an alias handle and an index specifying requested alias information type, return the information from alias record as a string. }
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FUNCTION GetAliasInfo(alias: AliasHandle;
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index: AliasInfoType;
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VAR theString: Str63): OSErr;
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INLINE $7007,$A823;
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{ given a file spec, return target file spec if input file spec is an alias.
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It resolves the entire alias chain or one step of the chain. It returns
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info about whether the target is a folder or file; and whether the input
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file spec was an alias or not. }
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FUNCTION ResolveAliasFile(VAR theSpec: FSSpec;
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resolveAliasChains: BOOLEAN;
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VAR targetIsFolder: BOOLEAN;
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VAR wasAliased: BOOLEAN): OSErr;
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INLINE $700C,$A823;
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{ Low Level Routines
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given an alias handle and fromFile, match the alias and return aliased filename(s) and needsUpdate flag }
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FUNCTION MatchAlias(fromFile: FSSpecPtr;
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rulesMask: LONGINT;
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alias: AliasHandle;
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VAR aliasCount: INTEGER;
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aliasList: FSSpecArrayPtr;
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VAR needsUpdate: BOOLEAN;
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aliasFilter: AliasFilterProcPtr;
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yourDataPtr: UNIV Ptr): OSErr;
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INLINE $7005,$A823;
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{ given a fromFile-target pair and an alias handle, update the lias record pointed to by alias handle to represent target as the new alias. }
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FUNCTION UpdateAlias(fromFile: FSSpecPtr;
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target: FSSpec;
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alias: AliasHandle;
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VAR wasChanged: BOOLEAN): OSErr;
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INLINE $7006,$A823;
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{$ENDC} { UsingAliases }
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{$IFC NOT UsingIncludes}
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END.
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{$ENDC}
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