CONTENTS

  Title Page

  Copyright Page

  Preface

  1      Introduction

  1.1     CDA Item Data Types

  1.2     CDA Default Values

  1.3     DDIF Standard Aggregates

  1.4     DDIF Tags

  1.5     DDIF Initial Values

  1.6     DDIF Processing Options
    1.6.1      Inherit Attributes Processing Option
      1.6.1.1      Type References and Definitions
      1.6.1.2      Style Guides
    1.6.2      Retain Definitions Processing Option
    1.6.3      Evaluate Content Processing Option
      1.6.3.1      Content References and Definitions
      1.6.3.2      Computed Segment Content and External References
    1.6.4      Discard Segments Processing Options

  1.7     DTIF Document Aggregate Hierarchy

  1.8     CFE Aggregate Hierarchy

  1.9     ESF Aggregate Hierarchy

  2      Bundled Converter Formats and Commands

  2.1     Base System Front Ends (Input Formats)
    2.1.1      DDIF Front End
      2.1.1.1      Data Mapping
      2.1.1.2      Conversion Restrictions
      2.1.1.3      External File References
      2.1.1.4      Document Syntax Errors
    2.1.2      DTIF Front End
      2.1.2.1      Data Mapping
      2.1.2.2      Conversion Restrictions
      2.1.2.3      External File References
      2.1.2.4      DTIF Syntax Errors
    2.1.3      Text Front End
      2.1.3.1      Data Mapping
      2.1.3.2      Conversion Restrictions
      2.1.3.3      External File References
      2.1.3.4      Document Syntax Errors

  2.2     Base System Back Ends (Output Formats)
    2.2.1      DDIF Back End
      2.2.1.1      Data Mapping
      2.2.1.2      Conversion Restrictions
    2.2.2      DTIF Back End
      2.2.2.1      Data Mapping
      2.2.2.2      Conversion Restrictions
      2.2.2.3      External File References
    2.2.3      Text Back End
      2.2.3.1      Data Mapping
      2.2.3.2      Conversion Restrictions
      2.2.3.3      Processing Options
    2.2.4      PostScript Back End
      2.2.4.1      Data Mapping
      2.2.4.2      Conversion Restrictions
      2.2.4.3      Processing Options
      2.2.4.4      Paper Size Processing Option
      2.2.4.5      Paper Height Processing Option
      2.2.4.6      Paper Width Processing Option
      2.2.4.7      Top Margin Processing Option
      2.2.4.8      Bottom Margin Processing Option
      2.2.4.9      Left Margin Processing Option
      2.2.4.10     Right Margin Processing Option
      2.2.4.11     Paper Orientation Processing Option
      2.2.4.12     Eight Bit Output Processing Option
      2.2.4.13     Output Buffer Size Processing Option
      2.2.4.14     Soft Directives Processing Option
      2.2.4.15     Word Wrap Processing Option
      2.2.4.16     Page Wrap Processing Option
      2.2.4.17     Layout Processing Option
    2.2.5      Analysis Back End
    2.2.6      Processing Options for Domain Conversion

  CONVERT/DOCUMENT

  VIEW

  cdoc

  dxvdoc

  vdoc

  3      Transferring CDA Documents

  3.1     Sending CDA Documents on a VMS System

  3.2     Receiving CDA Documents on a VMS System

  3.3     Sending CDA Documents on an ULTRIX System

  3.4     Receiving CDA Documents on an ULTRIX System

  3.5     Copying CDA Documents on a VMS System

  3.6     Copying CDA Documents on an ULTRIX System

  4      DDIF Structures

  4.1     DDIF Document Structure Overview

  4.2     Generic Aggregate Items

  DDIF$_ARC

  DDIF$_BEZ

  DDIF$_CRF

  DDIF$_CTD

  DDIF$_CTS

  DDIF$_DDF

  DDIF$_DHD

  DDIF$_DSC

  DDIF$_ERF

  DDIF$_EXT

  DDIF$_FAS

  DDIF$_FTD

  DDIF$_GLA

  DDIF$_GLY

  DDIF$_GTX

  DDIF$_HRD

  DDIF$_HRV

  DDIF$_IDU

  DDIF$_IMG

  DDIF$_LG1

  DDIF$_LIN

  DDIF$_LL1

  DDIF$_LS1

  DDIF$_LSD

  DDIF$_LW1

  DDIF$_OCC

  DDIF$_PGD

  DDIF$_PGL

  DDIF$_PGS

  DDIF$_PHD

  DDIF$_PTD

  DDIF$_PTH

  DDIF$_PVT

  DDIF$_RCD

  DDIF$_RGB

  DDIF$_SEG

  DDIF$_SFT

  DDIF$_SFV

  DDIF$_SGA
    General Segment Attributes
    Computed Content Attributes
    Copied and Remote Computed Content
    Variable Computed Content
    Cross-Reference Computed Content
    Function Computed Content
    Structure Description
    Language Attributes
    Legend Attributes
    Measurement Attributes
    Alternate Presentation Attribute
    Layout Attributes
    Galley-Based Layout
    Path-Based Layout
    Position-Relative Layout
    Text Position Layout
    Font Definitions
    Pattern Definitions
    Path Definitions
    Line-Style Definitions
    Content Definitions
    Type Definitions
    Text Attributes
    Text Mask Pattern
    Text Font
    Text Rendition
    Text Size
    Text Direction
    Text Character Decimal Alignment
    Text Leader
    Text Kerning
    Line Attributes
    Marker Attributes
    Galley Attributes
    Image Attributes
    Image Component Space
    Frame Parameters
    Frame Flags
    Frame Bounding Box
    Frame Outline
    Frame Clipping
    Frame Position
    Fixed Frame
    Inline Frame
    Galley Frame
    Margin Frame
    Frame Content Transformation
    Item Change List

  DDIF$_SGB
    Counter Variable Values
    Computed Variable Values
    List Variable Values

  DDIF$_TBS

  DDIF$_TRN

  DDIF$_TXT

  DDIF$_TYD

  5      DTIF Structures

  5.1     DTIF Document Structure Overview

  5.2     Generic Aggregate Items

  DTIF$_ARD

  DTIF$_CAT

  DTIF$_CCD

  DTIF$_CFT

  DTIF$_CLD

  DTIF$_CLR

  DTIF$_COR

  DTIF$_DAT

  DTIF$_DSC

  DTIF$_DTF

  DTIF$_ERF

  DTIF$_EXT

  DTIF$_FMI

  DTIF$_HDR

  DTIF$_LPT

  DTIF$_NES

  DTIF$_NMR

  DTIF$_NVL

  DTIF$_RNG

  DTIF$_ROW

  DTIF$_RWR

  DTIF$_TBL

  DTIF$_TMD

  DTIF$_VTX

  DTIF$_WND

  6      CFE Structures

  6.1     CFE Generic Aggregate Items

  CFE$_CCD

  CFE$_CFT

  CFE$_CLR

  CFE$_COR

  CFE$_DAT

  CFE$_EXL

  CFE$_EXP

  CFE$_FRF

  CFE$_NPM

  CFE$_PEX

  CFE$_PFE

  CFE$_RWR

  CFE$_SLL

  CFE$_STF

  CFE$_STP

  CFE$_TXC

  CFE$_VTX

  7      ESF Structures

  7.1     ESF Generic Aggregate Items

  ESF$_DAT

  ESF$_EDS

  ESF$_EXT

  ESF$_NVL

  ESF$_RPT

  ESF$_TXS

  8      CDA Toolkit Routines

  8.1     Compile and Link Procedures for Applications
    8.1.1      VMS Link Procedure
    8.1.2      ULTRIX Link Procedure

  AGGREGATE TYPE TO OBJECT ID

  CLOSE FILE

  CLOSE STREAM

  CLOSE TEXT FILE

  CONVERT

  CONVERT AGGREGATE

  CONVERT DOCUMENT

  CONVERT POSITION

  COPY AGGREGATE

  CREATE AGGREGATE

  CREATE FILE

  CREATE ROOT AGGREGATE

  CREATE STREAM

  CREATE TEXT FILE

  DELETE AGGREGATE

  DELETE ROOT AGGREGATE

  ENTER SCOPE

  ERASE ITEM

  FIND DEFINITION

  FIND TRANSFORMATION

  FLUSH STREAM

  GET AGGREGATE

  GET ARRAY SIZE

  GET DOCUMENT

  GET EXTERNAL ENCODING

  GET STREAM POSITION

  GET TEXT POSITION

  INSERT AGGREGATE

  LEAVE SCOPE

  LOCATE ITEM

  NEXT AGGREGATE

  OBJECT ID TO AGGREGATE TYPE

  OPEN CONVERTER

  OPEN FILE

  OPEN STREAM

  OPEN TEXT FILE

  PRUNE AGGREGATE

  PRUNE POSITION

  PUT AGGREGATE

  PUT DOCUMENT

  READ TEXT FILE

  REMOVE AGGREGATE

  STORE ITEM

  WRITE TEXT FILE

  9      User-Defined Routines

  Allocate/Deallocate Routines

  Flush Routine

  Get Routine

  Get-Position Routine

  Put Routine

  10     CDA Toolkit Example Program

  11     CDA Converter Routines

  11.1    Compile and Link Procedures for Converter Images
    11.1.1     VMS Compile and Link Procedure
    11.1.2     ULTRIX Compile and Link Procedure

  Close Entry Point

  Get-Aggregate Entry Point

  Get-Position Entry Point

  domain $read_ format Entry Point

  domain $write_ format Entry Point

  12     Text Front End Source File

  13     CDA Viewer Routines

  13.1    CDA Viewer Support of Adobe Font Metrics

  13.2    Compile and Link Procedures for Viewer Images
    13.2.1     VMS Link Procedure
    13.2.2     ULTRIX Link Procedures

  CC DELETE PAGE

  CC END

  CC GET PAGE

  CC INITIALIZE

  BOTTOM DOCUMENT

  CLOSE FILE

  DOCUMENT INFO

  GOTO PAGE

  NEXT PAGE

  PREVIOUS PAGE

  REGISTER CLASS

  TOP DOCUMENT

  VIEWER

  VIEWER CREATE

  VIEWER FILE

  A   DDIF Fill Patterns

  B   DDIF Syntax Diagrams

  B.1     DDIS Built-In Data Types

  B.2     Built-In Operators

  B.3     DDIS Defined Types

  B.4     DDIF Syntax Diagrams

  C   DTIF Syntax Diagrams

  D   CFE Syntax Diagrams

  E   ESF Syntax Diagrams

  F   VMS Support for CDA in DECwindows

  F.1     VMS Commands and Utilities
    F.1.1      Displaying RMS File Tags
      F.1.1.1      DIRECTORY/FULL
      F.1.1.2      ANALYZE/RMS_FILE
    F.1.2      Creating RMS File Tags
    F.1.3      Preserving RMS File Tags and DDIF Semantics
      F.1.3.1      COPY Command
      F.1.3.2      VMS Mail Utility
    F.1.4      APPEND Command

  F.2     DDIF Support in a Heterogeneous Environment
    F.2.1      EXCHANGE/NETWORK Command
    F.2.2      Using the COPY Command in a Heterogeneous Environment
    F.2.3      VMS Mail Utility in a Heterogeneous Environment

  F.3     VMS RMS Interface Changes
    F.3.1      Programming Interface for File Tagging
    F.3.2      Accessing a Tagged File
      F.3.2.1      File Accesses That Do Not Sense Tags
      F.3.2.2      File Accesses That Sense Tags
    F.3.3      Preserving Tags

  F.4     Distributed File System Support for DDIF Tagged Files

  F.5     VMS RMS Errors

  G   CDA$ Facility Messages

  Glossary of Terms

  EXAMPLES

  1-1        Analysis Output of DDIF Initial Segment Attributes

  10-1       Sample CDA Toolkit Program

  10-2       Analysis Output of DDIF File

  F-1        Tagging a File

  F-2        Accessing a Tagged File

  FIGURES

  1-1        DDIF Document Aggregate Hierarchy

  1-2        DTIF Document Aggregate Hierarchy

  1-3        CFE Aggregate Hierarchy

  1-4        ESF Aggregate Hierarchy

  4-1        Character Orientation

  8-1        Example Document

  A-1        CDA Fill Patterns

  B-1        Object Descriptor Syntax Diagram

  B-2        Latin1 String Syntax Diagram

  B-3        Text String Syntax Diagram

  B-4        Character String Syntax Diagram

  B-5        Application Private Data Syntax Diagram

  B-6        DDIF Document Syntax Diagram

  B-7        Document Descriptor Syntax Diagram

  B-8        Document Header Syntax Diagram

  B-9        Document Root Segment

  B-10       Segment Primitive Syntax Diagram

  B-11       Begin-Segment Syntax Diagram

  B-12       Text Primitive Syntax Diagram

  B-13       Text Attributes Syntax Diagram

  B-14       Rendition Code Syntax Diagram

  B-15       Leader Style Syntax Diagram

  B-16       Text Layout Syntax Diagram

  B-17       Text String Layout Syntax Diagram

  B-18       Formatting Primitive Syntax Diagram

  B-19       Value Directive Syntax Diagram

  B-20       Directive Syntax Diagram

  B-21       Escapement Directive Syntax Diagram

  B-22       Variable Reset Syntax Diagram

  B-23       Graphics Primitive Syntax Diagram

  B-24       Polyline Syntax Diagram

  B-25       Cubic Bézier Syntax Diagram

  B-26       Arc Syntax Diagram

  B-27       Fill Area Set Syntax Diagram

  B-28       Line Attributes Syntax Diagram

  B-29       Line Style Number Syntax Diagram

  B-30       Line End Number Syntax Diagram

  B-31       Line Join Syntax Diagram

  B-32       Marker Attributes Syntax Diagram

  B-33       Marker Number Syntax Diagram

  B-34       Image Primitive Syntax Diagram

  B-35       Image Coding Attributes Syntax Diagram

  B-36       Image Attributes Syntax Diagram

  B-37       Image Lookup Table Data Syntax Diagram

  B-38       Image Component Space Attributes Syntax Diagram

  B-39       Restricted Content Syntax Diagram

  B-40       Content Reference Primitive Syntax Diagram

  B-41       Content Reference Syntax Diagram

  B-42       Bounding Box Syntax Diagram

  B-43       Color Syntax Diagram

  B-44       Red/Green/Blue Syntax Diagram

  B-45       Compute Definition Syntax Diagram

  B-46       Cross-Reference Syntax Diagram

  B-47       Escapement Syntax Diagram

  B-48       External Reference Syntax Diagram

  B-49       Font Definition Syntax Diagram

  B-50       Format Syntax Diagram

  B-51       Frame Parameters Syntax Diagram

  B-52       Inline Frame Parameters Syntax Diagram

  B-53       Galley Frame Parameters Syntax Diagram

  B-54       Galley Vertical Position Syntax Diagram

  B-55       Margin Frame Parameters Syntax Diagram

  B-56       Margin Horizontal Position Syntax Diagram

  B-57       Function Link Syntax Diagram

  B-58       External Reference Index Syntax Diagram

  B-59       Language Index Syntax Diagram

  B-60       Content Definition Syntax Diagram

  B-61       Label Types Syntax Diagram

  B-62       Label Syntax Diagram

  B-63       ASCII String Syntax Diagram

  B-64       Variable Label Syntax Diagram

  B-65       Legend Units Syntax Diagram

  B-66       Angle Syntax Diagram

  B-67       AngleRef Syntax Diagram

  B-68       Measurement Syntax Diagram

  B-69       Position Syntax Diagram

  B-70       Ratio Syntax Diagram

  B-71       Right Angle Syntax Diagram

  B-72       Size Syntax Diagram

  B-73       X-Coordinate Syntax Diagram

  B-74       Y-Coordinate Syntax Diagram

  B-75       Measurement Units Syntax Diagram

  B-76       Named Value Syntax Diagram

  B-77       Value Data Syntax Diagram

  B-78       Named Value List Syntax Diagram

  B-79       Font Number Syntax Diagram

  B-80       Marker Number Syntax Diagram

  B-81       Path Number Syntax Diagram

  B-82       Pattern Number Syntax Diagram

  B-83       Path Definition Syntax Diagram

  B-84       Composite Path Syntax Diagram

  B-85       Arc Path Syntax Diagram

  B-86       Cubic Bézier Path Syntax Diagram

  B-87       Line Definition Syntax Diagram

  B-88       Polyline Path Syntax Diagram

  B-89       Pattern Definition Syntax Diagram

  B-90       Standard Pattern Syntax Diagram

  B-91       Reference Syntax Diagram

  B-92       Segment Attributes Syntax Diagram

  B-93       Segment Type Definition Syntax Diagram

  B-94       Structure Definition Syntax Diagram

  B-95       Occurrence Definition Syntax Diagram

  B-96       Structure Element Syntax Diagram

  B-97       Tag Syntax Diagram

  B-98       Category Tag Syntax Diagram

  B-99       Conformance Tag Syntax Diagram

  B-100      Named Value Tag Syntax Diagram

  B-101      Segment Tag Syntax Diagram

  B-102      Storage System Tag Syntax Diagram

  B-103      Stream Tag Syntax Diagram

  B-104      Transformation Syntax Diagram

  B-105      Variable Binding Syntax Diagram

  B-106      Counter Definition Syntax Diagram

  B-107      Layout Object Type Syntax Diagram

  B-108      Expression Syntax Diagram

  B-109      Counter Style Syntax Diagram

  B-110      String Expression Syntax Diagram

  B-111      Record List Syntax Diagram

  B-112      Record Definition Syntax Diagram

  B-113      Generic Layout Syntax Diagram

  B-114      Page Description Syntax Diagram

  B-115      Page Set Syntax Diagram

  B-116      Page Layout Syntax Diagram

  B-117      Layout Primitive Syntax Diagram

  B-118      Layout Galley Syntax Diagram

  B-119      Galley Attributes Syntax Diagram

  B-120      Specific Layout Syntax Diagram

  B-121      Wrap Attributes Syntax Diagram

  B-122      Layout Attributes Syntax Diagram

  B-123      Break Criteria Syntax Diagram

  B-124      General Measure Syntax Diagram

  B-125      General Size Syntax Diagram

  B-126      Tab Stop List Syntax Diagram

  B-127      Tab Stop Syntax Diagram

  B-128      Generalized Time Diagram

  C-1        DTIF Document Syntax Diagram

  C-2        Document Descriptor Syntax Diagram

  C-3        Document Header Syntax Diagram

  C-4        External Reference Syntax Diagram

  C-5        Storage System Tag Syntax Diagram

  C-6        External References Index Syntax Diagram

  C-7        Language Preference Table Syntax Diagram

  C-8        Named Edit String Syntax Diagram

  C-9        Table Definition Syntax Diagram

  C-10       Table Metadata Syntax Diagram

  C-11       Table Window Syntax Diagram

  C-12       Table Rows Syntax Diagram

  C-13       Cell Data Syntax Diagram

  C-14       Cell Value Syntax Diagram

  C-15       Varying Text Syntax Diagram

  C-16       Array Definition Syntax Diagram

  C-17       Complex Float Syntax Diagram

  C-18       Column Attributes Syntax Diagram

  C-19       Data Type Syntax Diagram

  C-20       Format Info List Syntax Diagram

  C-21       Language Preference Index Syntax Diagram

  C-22       Format Type Syntax Diagram

  C-23       Edit String Index Syntax Diagram

  C-24       Numeric Format Type Syntax Diagram

  C-25       Numeric Format Precision Syntax Diagram

  C-26       Predefined Text Types Syntax Diagram

  C-27       Predefined Date Types Syntax Diagram

  C-28       Format Flags Syntax Diagram

  C-29       Date Time Syntax Diagram

  C-30       Application Private Syntax Diagram

  C-31       Named Value List Syntax Diagram

  C-32       Value Data Syntax Diagram

  C-33       ASCII String Syntax Diagram

  C-34       Column Number Syntax Diagram

  C-35       Row Number Syntax Diagram

  C-36       Cell Coordinates Syntax Diagram

  C-37       Range Definition Syntax Diagram

  C-38       Range Syntax Diagram

  C-39       Cell Range Syntax Diagram

  C-40       Row Range Syntax Diagram

  C-41       Column Range Syntax Diagram

  C-42       Named Range Syntax Diagram

  D-1        Private Function Expression Syntax Diagram

  D-2        Storage System Tag Syntax Diagram

  D-3        Named Parameter Syntax Diagram

  D-4        Expression Syntax Diagram

  D-5        Expression List Syntax Diagram

  D-6        Text Syntax Diagram

  D-7        Varying Text Syntax Diagram

  D-8        Selector List Syntax Diagram

  D-9        Decimal String Syntax Diagram

  D-10       Edit String Syntax Diagram

  D-11       Parenthesized Expressions Syntax Diagram

  D-12       Field Reference Syntax Diagram

  E-1        Edit String Syntax Diagram

  E-2        Edit String Buffer Syntax Diagram

  E-3        Single Syntax Diagram

  E-4        Repeat Syntax Diagram

  E-5        Application Private Edit String Syntax Diagram

  TABLES

  1-1        CDA Item Data Types

  1-2        DDIF Standard Aggregates

  1-3        DDIF Tags

  4-1        Generic Aggregate Items

  4-2        Character Set Identifiers

  4-3        Normal Horizontal Alignment

  4-4        Normal Vertical Alignment

  4-5        Line Style

  4-6        Line Style

  5-1        DTIF Generic Aggregate Items

  6-1        CFE Generic Aggregate Items

  6-2        Valid Arithmetic Expression Values for CFE$_EXL_EXPR_C

  6-3        Valid Binary Expression Values for CFE$_EXL_EXPR_C

  6-4        Valid Boolean and Relational Expression Values for CFE$_EXL_EXPR_C

  6-5        Valid Cell-Related Expression Values for CFE$_EXL_EXPR_C

  6-6        Valid Choose and Lookup Expression Values for CFE$_EXL_EXPR_C

  6-7        Valid Conversion Expression Values for CFE$_EXL_EXPR_C

  6-8        Valid Date and Time Expression Values for CFE$_EXL_EXPR_C

  6-9        Valid Financial Expression Values for CFE$_EXL_EXPR_C

  6-10       Valid Identification Expression Values for CFE$_EXL_EXPR_C

  6-11       Valid Literal Values for CFE$_EXL_EXPR_C

  6-12       Valid Miscellaneous Expression Values for CFE$_EXL_EXPR_C

  6-13       Valid Series Expression Values for CFE$_EXL_EXPR_C

  6-14       Valid Statistical Expression Values for CFE$_EXL_EXPR_C

  6-15       Valid String Expression Values for CFE$_EXL_EXPR_C

  6-16       Valid Transcendental Expression Values for CFE$_EXL_EXPR_C

  6-17       Valid Trigonometric Expression Values for CFE$_EXL_EXPR_C

  6-18       Valid Variable Values for CFE$_EXL_EXPR_C

  7-1        ESF Generic Aggregate Items

  7-2        Valid Values for ESF$_EDS_EDIT_STRING_C

  7-3        Valid Values for ESF$_RPT_SEQ_C

  11-1       Top-Level Aggregate Types

  A-1        DDIF Fill Patterns

  B-1        DDIS Built-In Primitives

  B-2        DDIS Built-In Constructors

  B-3        DDIS Built-In Operators

  B-4        DDIS Defined Types

  F-1        Tag Support Item Codes