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| <P ALIGN=LEFT STYLE="font-weight: medium"><FONT FACE="Verdana, sans-serif"><FONT SIZE=6>Understanding |
| the script language</FONT></FONT></P> |
| <P><BR><BR> |
| </P> |
| <P><FONT FACE="Verdana, sans-serif">The setup scripts is a file you |
| can read with a normal text editor. In an installation set it is |
| placed next to setup. The script contains only blocks, beginning with |
| a special keyword and ending with an „End“. </FONT> |
| </P> |
| <P><FONT FACE="Verdana, sans-serif">A typical block looks like: </FONT> |
| </P> |
| <P STYLE="line-height: 100%"><FONT FACE="Verdana, sans-serif">File |
| gid_File_Lib_Db31<BR>Name = "libdb32.dll";<BR>PackedName = |
| "f_0320";<BR>Size = 430080;<BR>Dir = |
| gid_Dir_Program;<BR>Carrier = gid_DataCarrier;<BR>UnixRights = |
| 755;<BR>Date = "23012002";<BR>Time = "0600";<BR>Styles |
| = (PACKED);<BR>End</FONT></P> |
| <P STYLE="line-height: 100%"><FONT FACE="Verdana, sans-serif">This |
| block is the <B><I>definition</I></B> of the global ID |
| gid_File_Lib_Db31. Due to the beginning word <B>File</B> it describes |
| a file. What information is needed for a file definition? First of |
| all we see the name libdb32.dll. This is the physical name of the |
| file. This file is packed in the installation set in a file name |
| f_0320. The size of the unpacked libdb32.dll is 430.080 bytes. It |
| shall be installed into a directory with the global ID |
| gid_Dir_Program. This gid has to be definded in this setup script |
| before this file definition. The Carrier is the medium, on which this |
| file is stored. This is important for example for multi discs |
| installations. If we install this product on a Unix platform we can |
| give the Unix rights 755 to it. The installation date will be the |
| 01/23/2002, the installation time is 0600. This file is packed into |
| the file f_0320, therefore it has the Style Packed. </FONT> |
| </P> |
| <P STYLE="line-height: 100%"><FONT FACE="Verdana, sans-serif">This |
| block you can find in the setup script of an installation set. The |
| original setup script is located in the bin directory of the output |
| tree. It was created in one of the scp-projects. The block of this |
| file looks in the original setup script:</FONT></P> |
| <P STYLE="line-height: 100%"><FONT FACE="Verdana, sans-serif">File |
| gid_File_Lib_Db31<BR>Name = "libdb32.dll";<BR>Dir = |
| gid_Dir_Program;<BR>Carrier = gid_Datacarrier;<BR>UnixRights = |
| 755;<BR>Date = " 23012002 ";<BR>Time = "0600";<BR>Styles |
| = (PACKED);<BR>End</FONT></P> |
| <P STYLE="line-height: 100%"><FONT FACE="Verdana, sans-serif">As you |
| can see, scpzip adds the lines for the PackedName and the Size to the |
| file definition. These are data, you cannot know, when you define a |
| new file. </FONT> |
| </P> |
| <P STYLE="line-height: 100%"><FONT FACE="Verdana, sans-serif">But how |
| looks the original file definition. As you have already read, the |
| setup script in the output tree is already platform and product |
| independent. It was created from scp files, which were checked, |
| preprocessed, linked and edited in many ways. The original file |
| definition in the scp projects is the following definition block:</FONT></P> |
| <P STYLE="line-height: 100%"><FONT FACE="Verdana, sans-serif">File |
| gid_File_Lib_Db31<BR>BIN_FILE_BODY;<BR>#ifdef UNX<BR>Name = |
| "libdb-3.2.so";<BR>#else<BR>Name = |
| "libdb32.dll";<BR>#endif<BR>Dir = gid_Dir_Program;<BR>Styles |
| = (PACKED);<BR>End</FONT></P> |
| <P STYLE="line-height: 100%"><FONT FACE="Verdana, sans-serif">Obviously |
| the name of this file is platform dependent. You can also see a macro |
| name BIN_FILE_BODY. This is defined in the file macros.inc scp2 |
| project.</FONT></P> |
| <P STYLE="line-height: 100%"><FONT FACE="Verdana, sans-serif">#define |
| BIN_FILE_BODY FILE_BODY \<BR>UnixRights = 755</FONT></P> |
| <P STYLE="line-height: 100%"><FONT FACE="Verdana, sans-serif">BIN_FILE_BODY |
| contains only two lines: The macro FILE_BODY and the UnixRights.</FONT></P> |
| <P STYLE="line-height: 100%"><FONT FACE="Verdana, sans-serif">In this |
| way one file is defined. If you do not want, that the file belongs to |
| the root module and is installed always, you have to assign the file |
| to a module. Modules can be deselected by a user in a user defined |
| installation process. By the way, modules are also defined in such |
| blocks, beginning with the keyword Module. These module definitions |
| contain lists of files, of procedures and whatever can be defined in |
| a setup script. One module is a root module, showing that it cannot |
| be deselected during the setup. If a module contains the lines:</FONT></P> |
| <P STYLE="line-height: 100%"><FONT FACE="Verdana, sans-serif">Default |
| = YES;<BR>Minimal = YES;</FONT></P> |
| <P STYLE="line-height: 100%"><FONT FACE="Verdana, sans-serif">it is |
| selected in a Default and Minimal installation. The directories in |
| the scp projects represent the modules. The directory scp2/ooo |
| contains all files, registryitems, ... that belong to the root |
| module. In the directory scp2/cde you find all the content of the cde |
| module.</FONT></P> |
| <P STYLE="line-height: 100%"><FONT FACE="Verdana, sans-serif">A |
| product like an OpenOffice.org can be understand as the addition of |
| all of these modules. All the defined scp files in the scp2 directory |
| are bound together by the linker par2script.pl, who gets his |
| information from the product definition in scp2/util/makefile.mk.</FONT></P> |
| <P STYLE="line-height: 100%"><BR><BR> |
| </P> |
| <P STYLE="line-height: 100%"><BR><BR> |
| </P> |
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