Initial commit

1 files changed, 89 insertions, 0 deletions

diff --git a/pkg/system/help/xhelp/xhelp.h b/pkg/system/help/xhelp/xhelp.h
new file mode 100644
index 00000000..24bffc71
--- /dev/null
+++ b/pkg/system/help/xhelp/xhelp.h
@@ -0,0 +1,89 @@
+# XHELP.H -- Include file for the XHELP GUI task.
+
+# Help database header structure.  Stored at the beginning of a help
+# database file.  This information is taken from the help$helpdb.x source.
+
+define  LEN_HDBHEADER   14
+define  HDB_MAGICVAL    110104B
+
+define  HDB_MAGIC       Memi[$1]        # helpdb file type code
+define  HDB_RAW         Memi[$1+1]      # access compiled or raw database
+define  HDB_RHD         Memi[$1+2]      # if raw, HP of root help directory
+define  HDB_INDEX       Memi[$1+3]      # index of root help directory
+define  HDB_CRDATE      Meml[$1+4]      # creation date
+define  HDB_NENTRIES    Memi[$1+5]      # number of help directories in db
+define  HDB_MAXENTRIES  Memi[$1+6]      # maximum no. of help directories in db
+define  HDB_NMODULES    Memi[$1+7]      # count of the total number of modules
+define  HDB_INDEXOFFSET Meml[$1+8]      # file offset of index, chars
+define  HDB_INDEXPTR    Memi[$1+9]      # pointer to loaded index, ty_struct
+define  HDB_INDEXLEN    Memi[$1+10]     # length of index structure, su
+define  HDB_DATAOFFSET  Meml[$1+11]     # file offset of data area, chars
+define  HDB_DATAPTR     Memi[$1+12]     # pointer to loaded data area, ty_struct
+define  HDB_DATALEN     Memi[$1+13]     # length of data area, struct units
+
+# Index structure.  Identifies the contents of the database and tells where
+# they are stored.  There is one index entry for each help directory, i.e.,
+# for each package.
+
+define  LEN_HDBINDEX    34
+define  SZ_DBIKEY       63
+define  LEN_DBIDATA     2
+
+define  DBI_KEY         Memc[P2C($1)]   # entry name
+define  DBI_OFFSET      Memi[$1+32]     # offset of entry into data area, su
+define  DBI_MTIME       Meml[$1+33]     # modification date of entry
+
+define  MAX_ENTRIES     100             # initial max db entries
+define  INC_ENTRIES     50              # increment if overflow
+define  MAX_DEPTH       20              # max nesting of packages
+define  MAX_MENUSIZE    500             # max modules in a table
+define  MAX_NAMELEN     20              # max chars in a module name in table
+
+
+# XHELP Macro definitions.
+define	SZ_HELPLIST	20480
+define	SZ_XHELPSTRUCT	45
+
+define	XH_GP		Memi[$1]	# graphics descriptor
+define	XH_LPTR		Memi[$1+1]	# ptr for pkg list
+define	XH_TEMPLATE	Memi[$1+2]	# initial help topic
+define	XH_OPTION	Memi[$1+3]	# help option
+define	XH_PRINTER	Memi[$1+4]	# printer name
+define	XH_CURTASK	Memi[$1+5]	# current task name
+define	XH_CURPACK	Memi[$1+6]	# current package name
+define	XH_QUICKREF	Memi[$1+7]	# quick-reference filen
+define	XH_HOMEPAGE	Memi[$1+8]	# startup page
+define	XH_CURDIR	Memi[$1+9]	# current directory
+define	XH_PATTERN	Memi[$1+10]	# current filename template
+define	XH_HELPDB	Memi[$1+11]	# help database string
+define	XH_SHOWTYPE	Memi[$1+12]	# indicate packages in list
+define	XH_STP		Memi[$1+13]	# package list symtab ptr
+
+# Helpful macros
+define	LIST		Memc[XH_LPTR($1)]
+define	TEMPLATE	Memc[XH_TEMPLATE($1)]
+define	OPTION		Memc[XH_OPTION($1)]
+define	PRINTER		Memc[XH_PRINTER($1)]
+define	CURTASK		Memc[XH_CURTASK($1)]
+define	CURPACK		Memc[XH_CURPACK($1)]
+define	QUICKREF	Memc[XH_QUICKREF($1)]
+define	HOMEPAGE	Memc[XH_HOMEPAGE($1)]
+define	CURDIR		Memc[XH_CURDIR($1)]
+define	PATTERN		Memc[XH_PATTERN($1)]
+define	HELPDB		Memc[XH_HELPDB($1)]
+
+define	WIDE_PAGE	100		# needed by the print routines
+define	SZ_DDSTR	256
+
+
+# Filenames.
+define  HELP      "lib$scr/help.html"	# default help file
+define  PKGFILE   "uparm$help.pkgs"     # default package list symtab
+define  QREFFILE  "uparm$quick.ref"     # default references file
+
+
+# Symbol table definitions.
+define  LEN_INDEX       10              # length of symtab index
+define  LEN_STAB        32              # initial length of symtab
+define  SZ_SBUF         32              # initial size of symtab string buffer
+