Archive.Compress. Initial Import.

compress.mod/common.bmx

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+' Copyright (c) 2022 Bruce A Henderson
+' All rights reserved.
+'
+' Redistribution and use in source and binary forms, with or without
+' modification, are permitted provided that the following conditions are met:
+'     * Redistributions of source code must retain the above copyright
+'       notice, this list of conditions and the following disclaimer.
+'     * Redistributions in binary form must reproduce the above copyright
+'       notice, this list of conditions and the following disclaimer in the
+'       documentation and/or other materials provided with the distribution.
+'
+' THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ``AS IS'' AND ANY
+' EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+' WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+' DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+' DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+' (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+' LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+' ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+' (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+' SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+'
+SuperStrict
+
+Import "source.bmx"
+
+Extern
+	Function archive_read_support_filter_compress:Int(archive:Byte Ptr)
+	Function archive_write_add_filter_compress:Int(archive:Byte Ptr)
+End Extern

compress.mod/compress.bmx

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+' Copyright (c) 2022 Bruce A Henderson
+' All rights reserved.
+'
+' Redistribution and use in source and binary forms, with or without
+' modification, are permitted provided that the following conditions are met:
+'     * Redistributions of source code must retain the above copyright
+'       notice, this list of conditions and the following disclaimer.
+'     * Redistributions in binary form must reproduce the above copyright
+'       notice, this list of conditions and the following disclaimer in the
+'       documentation and/or other materials provided with the distribution.
+'
+' THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ``AS IS'' AND ANY
+' EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+' WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+' DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+' DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+' (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+' LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+' ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+' (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+' SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+'
+SuperStrict
+
+Module Archive.Compress
+
+
+ModuleInfo "CC_OPTS: -DHAVE_CONFIG_H -D_FILE_OFFSET_BITS=64"
+?win32
+ModuleInfo "CC_OPTS: -DLIBARCHIVE_STATIC"
+?
+
+Import Archive.Core
+Import "common.bmx"
+
+Private
+
+Type TCompressArchiveFormat Extends TArchiveFormat
+
+	Method AddReadFormat:Int(archive:Byte Ptr, format:EArchiveFormat)
+		Return False
+	End Method
+
+	Method AddWriteFormat:Int(archive:Byte Ptr, format:EArchiveFormat)
+		Return False
+	End Method
+
+	Method AddReadFilter:Int(archive:Byte Ptr, filter:EArchiveFilter)
+		If filter = EArchiveFilter.COMPRESS Then
+			archive_read_support_filter_compress(archive)
+			Return True
+		End If
+	End Method
+
+	Method AddWriteFilter:Int(archive:Byte Ptr, filter:EArchiveFilter)
+		If filter = EArchiveFilter.COMPRESS Then
+			archive_write_add_filter_compress(archive)
+			Return True
+		End If
+	End Method
+End Type
+
+New TCompressArchiveFormat

compress.mod/examples/example_01.bmx

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+SuperStrict
+
+Framework Archive.Compress
+Import Archive.Raw
+Import brl.standardio
+
+Local wa:TWriteArchive = New TWriteArchive
+wa.AddFilter(EArchiveFilter.COMPRESS)
+wa.SetFormat(EArchiveFormat.RAW)
+
+wa.Open("data.Z")
+
+wa.AddEntry("testdata.txt")
+
+wa.Close()
+
+
+Local entry:TArchiveEntry = New TArchiveEntry
+
+Local ra:TReadArchive = New TReadArchive
+ra.AddFilter(EArchiveFilter.COMPRESS)
+ra.SetFormat(EArchiveFormat.RAW)
+
+ra.Open("data.Z")
+
+While ra.ReadNextHeader(entry) = ARCHIVE_OK
+	Local s:String = LoadText(ra.DataStream())
+	Print "String size   : " + s.Length
+	Print "First n chars : " + s[0..17]
+	Print
+Wend
+
+ra.Free()

compress.mod/examples/testdata.txt

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+This is some data we want to compress
+
+
+blah 
+
+blah 
+
+
+blah

compress.mod/source.bmx

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+' Copyright (c) 2022 Bruce A Henderson
+' All rights reserved.
+'
+' Redistribution and use in source and binary forms, with or without
+' modification, are permitted provided that the following conditions are met:
+'     * Redistributions of source code must retain the above copyright
+'       notice, this list of conditions and the following disclaimer.
+'     * Redistributions in binary form must reproduce the above copyright
+'       notice, this list of conditions and the following disclaimer in the
+'       documentation and/or other materials provided with the distribution.
+'
+' THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ``AS IS'' AND ANY
+' EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+' WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+' DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+' DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+' (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+' LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+' ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+' (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+' SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+'
+SuperStrict
+
+Import Pub.zlib
+
+Import "../../pub.mod/zlib.mod/*.h"
+
+Import "../core.mod/include/*.h"
+Import "../core.mod/libarchive/libarchive/*.h"
+Import "../core.mod/libarchive/libarchive/archive_read_support_filter_compress.c"
+Import "../core.mod/libarchive/libarchive/archive_write_add_filter_compress.c"