(Tcl) Set Entry Filepath (in output Zip) when Zipping

Demonstrates how to set the path for the file entry within the .zip to something different than the path in the filesystem.

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load ./chilkat.dll

# This requires the Chilkat Zip API to have been previously unlocked.
# See Unlock Chilkat Zip for sample code.

set zip [new_CkZip]

set success [CkZip_NewZip $zip "qa_output/zipA.zip"]

# When an absolute filepath is passed to AppendOneFileOrDir, the path within the .zip
# will be one of two values:  (1) just the filename part if saveExtraPath is 0,
# or (2) the full absolute path, but made relative, if saveExtraPath is 1.
# (For example, "c:/ck2000/appData/UnitTest/qa_data/hamlet.xml" made relative is 
# "ck2000/appData/UnitTest/qa_data/hamlet.xml")
set saveExtraPath 0
set success [CkZip_AppendOneFileOrDir $zip "c:/ck2000/appData/UnitTest/qa_data/hamlet.xml" $saveExtraPath]
if {$success != 1} then {
    puts [CkZip_lastErrorText $zip]
    delete_CkZip $zip
    exit
}

# When a relative path is passed to AppendOneFileOrDir, then saveExtraPath does not apply.
# For example, assume our current working directory is "c:/ck2000/appData/UnitTest".  The following
# call to AppendOneFileOrDir creates an entry with the filepath "qa_data/hamlet.xml".
set success [CkZip_AppendOneFileOrDir $zip "qa_data/hamlet.xml" $saveExtraPath]
if {$success != 1} then {
    puts [CkZip_lastErrorText $zip]
    delete_CkZip $zip
    exit
}

# Examine the entries
set numEntries [CkZip_get_NumEntries $zip]
set i 0
while {$i < $numEntries} {
    # e is a CkZipEntry
    set e [CkZip_GetEntryByIndex $zip $i]
    puts "$i: [CkZipEntry_fileName $e]"
    delete_CkZipEntry $e

    set i [expr $i + 1]
}

# The output so far is:

# 	0: hamlet.xml
# 	1: qa_data/hamlet.xml

# If we write the .zip as-is, then the zip will have two entries
# with the filepaths as shown above.

# This writes "qa_output/zipA.zip"
set success [CkZip_WriteZip $zip]

# Now change the entry filepaths to whatever is desired.
# entry is a CkZipEntry
set entry [CkZip_GetEntryByName $zip "hamlet.xml"]
if {[CkZip_get_LastMethodSuccess $zip] == 0} then {
    puts "entry not found"
    delete_CkZip $zip
    exit
}

CkZipEntry_put_FileName $entry "Shakespeare/Claudius1.xml"
delete_CkZipEntry $entry

set entry [CkZip_GetEntryByName $zip "qa_data/hamlet.xml"]
if {[CkZip_get_LastMethodSuccess $zip] == 0} then {
    puts "entry not found"
    delete_CkZip $zip
    exit
}

CkZipEntry_put_FileName $entry "Shakespeare/Claudius2.xml"
delete_CkZipEntry $entry

# Change the name of the .zip to be written and write again:
CkZip_put_FileName $zip "qa_output/zipB.zip"
set success [CkZip_WriteZipAndClose $zip]
if {$success != 1} then {
    puts [CkZip_lastErrorText $zip]
} else {
    puts "Zip created!"
}

# Examine both zipA.zip and zipB.zip using 7zip (or another tool) to see the differences.

delete_CkZip $zip