'\" '\" Generated from file 'toc_structure\&.man' by tcllib/doctools with format 'nroff' '\" Copyright (c) 2009 Andreas Kupries '\" .TH "doctools::toc::structure" 3tcl 0\&.1 tcllib "Documentation tools" .\" The -*- nroff -*- definitions below are for supplemental macros used .\" in Tcl/Tk manual entries. .\" .\" .AP type name in/out ?indent? .\" Start paragraph describing an argument to a library procedure. .\" type is type of argument (int, etc.), in/out is either "in", "out", .\" or "in/out" to describe whether procedure reads or modifies arg, .\" and indent is equivalent to second arg of .IP (shouldn't ever be .\" needed; use .AS below instead) .\" .\" .AS ?type? ?name? .\" Give maximum sizes of arguments for setting tab stops. Type and .\" name are examples of largest possible arguments that will be passed .\" to .AP later. If args are omitted, default tab stops are used. .\" .\" .BS .\" Start box enclosure. From here until next .BE, everything will be .\" enclosed in one large box. .\" .\" .BE .\" End of box enclosure. .\" .\" .CS .\" Begin code excerpt. .\" .\" .CE .\" End code excerpt. .\" .\" .VS ?version? ?br? .\" Begin vertical sidebar, for use in marking newly-changed parts .\" of man pages. The first argument is ignored and used for recording .\" the version when the .VS was added, so that the sidebars can be .\" found and removed when they reach a certain age. If another argument .\" is present, then a line break is forced before starting the sidebar. .\" .\" .VE .\" End of vertical sidebar. .\" .\" .DS .\" Begin an indented unfilled display. .\" .\" .DE .\" End of indented unfilled display. .\" .\" .SO ?manpage? .\" Start of list of standard options for a Tk widget. The manpage .\" argument defines where to look up the standard options; if .\" omitted, defaults to "options". The options follow on successive .\" lines, in three columns separated by tabs. .\" .\" .SE .\" End of list of standard options for a Tk widget. .\" .\" .OP cmdName dbName dbClass .\" Start of description of a specific option. cmdName gives the .\" option's name as specified in the class command, dbName gives .\" the option's name in the option database, and dbClass gives .\" the option's class in the option database. .\" .\" .UL arg1 arg2 .\" Print arg1 underlined, then print arg2 normally. .\" .\" .QW arg1 ?arg2? .\" Print arg1 in quotes, then arg2 normally (for trailing punctuation). .\" .\" .PQ arg1 ?arg2? .\" Print an open parenthesis, arg1 in quotes, then arg2 normally .\" (for trailing punctuation) and then a closing parenthesis. .\" .\" # Set up traps and other miscellaneous stuff for Tcl/Tk man pages. .if t .wh -1.3i ^B .nr ^l \n(.l .ad b .\" # Start an argument description .de AP .ie !"\\$4"" .TP \\$4 .el \{\ . ie !"\\$2"" .TP \\n()Cu . el .TP 15 .\} .ta \\n()Au \\n()Bu .ie !"\\$3"" \{\ \&\\$1 \\fI\\$2\\fP (\\$3) .\".b .\} .el \{\ .br .ie !"\\$2"" \{\ \&\\$1 \\fI\\$2\\fP .\} .el \{\ \&\\fI\\$1\\fP .\} .\} .. .\" # define tabbing values for .AP .de AS .nr )A 10n .if !"\\$1"" .nr )A \\w'\\$1'u+3n .nr )B \\n()Au+15n .\" .if !"\\$2"" .nr )B \\w'\\$2'u+\\n()Au+3n .nr )C \\n()Bu+\\w'(in/out)'u+2n .. .AS Tcl_Interp Tcl_CreateInterp in/out .\" # BS - start boxed text .\" # ^y = starting y location .\" # ^b = 1 .de BS .br .mk ^y .nr ^b 1u .if n .nf .if n .ti 0 .if n \l'\\n(.lu\(ul' .if n .fi .. .\" # BE - end boxed text (draw box now) .de BE .nf .ti 0 .mk ^t .ie n \l'\\n(^lu\(ul' .el \{\ .\" Draw four-sided box normally, but don't draw top of .\" box if the box started on an earlier page. .ie !\\n(^b-1 \{\ \h'-1.5n'\L'|\\n(^yu-1v'\l'\\n(^lu+3n\(ul'\L'\\n(^tu+1v-\\n(^yu'\l'|0u-1.5n\(ul' .\} .el \}\ \h'-1.5n'\L'|\\n(^yu-1v'\h'\\n(^lu+3n'\L'\\n(^tu+1v-\\n(^yu'\l'|0u-1.5n\(ul' .\} .\} .fi .br .nr ^b 0 .. .\" # VS - start vertical sidebar .\" # ^Y = starting y location .\" # ^v = 1 (for troff; for nroff this doesn't matter) .de VS .if !"\\$2"" .br .mk ^Y .ie n 'mc \s12\(br\s0 .el .nr ^v 1u .. .\" # VE - end of vertical sidebar .de VE .ie n 'mc .el \{\ .ev 2 .nf .ti 0 .mk ^t \h'|\\n(^lu+3n'\L'|\\n(^Yu-1v\(bv'\v'\\n(^tu+1v-\\n(^Yu'\h'-|\\n(^lu+3n' .sp -1 .fi .ev .\} .nr ^v 0 .. .\" # Special macro to handle page bottom: finish off current .\" # box/sidebar if in box/sidebar mode, then invoked standard .\" # page bottom macro. .de ^B .ev 2 'ti 0 'nf .mk ^t .if \\n(^b \{\ .\" Draw three-sided box if this is the box's first page, .\" draw two sides but no top otherwise. .ie !\\n(^b-1 \h'-1.5n'\L'|\\n(^yu-1v'\l'\\n(^lu+3n\(ul'\L'\\n(^tu+1v-\\n(^yu'\h'|0u'\c .el \h'-1.5n'\L'|\\n(^yu-1v'\h'\\n(^lu+3n'\L'\\n(^tu+1v-\\n(^yu'\h'|0u'\c .\} .if \\n(^v \{\ .nr ^x \\n(^tu+1v-\\n(^Yu \kx\h'-\\nxu'\h'|\\n(^lu+3n'\ky\L'-\\n(^xu'\v'\\n(^xu'\h'|0u'\c .\} .bp 'fi .ev .if \\n(^b \{\ .mk ^y .nr ^b 2 .\} .if \\n(^v \{\ .mk ^Y .\} .. .\" # DS - begin display .de DS .RS .nf .sp .. .\" # DE - end display .de DE .fi .RE .sp .. .\" # SO - start of list of standard options .de SO 'ie '\\$1'' .ds So \\fBoptions\\fR 'el .ds So \\fB\\$1\\fR .SH "STANDARD OPTIONS" .LP .nf .ta 5.5c 11c .ft B .. .\" # SE - end of list of standard options .de SE .fi .ft R .LP See the \\*(So manual entry for details on the standard options. .. .\" # OP - start of full description for a single option .de OP .LP .nf .ta 4c Command-Line Name: \\fB\\$1\\fR Database Name: \\fB\\$2\\fR Database Class: \\fB\\$3\\fR .fi .IP .. .\" # CS - begin code excerpt .de CS .RS .nf .ta .25i .5i .75i 1i .. .\" # CE - end code excerpt .de CE .fi .RE .. .\" # UL - underline word .de UL \\$1\l'|0\(ul'\\$2 .. .\" # QW - apply quotation marks to word .de QW .ie '\\*(lq'"' ``\\$1''\\$2 .\"" fix emacs highlighting .el \\*(lq\\$1\\*(rq\\$2 .. .\" # PQ - apply parens and quotation marks to word .de PQ .ie '\\*(lq'"' (``\\$1''\\$2)\\$3 .\"" fix emacs highlighting .el (\\*(lq\\$1\\*(rq\\$2)\\$3 .. .\" # QR - quoted range .de QR .ie '\\*(lq'"' ``\\$1''\\-``\\$2''\\$3 .\"" fix emacs highlighting .el \\*(lq\\$1\\*(rq\\-\\*(lq\\$2\\*(rq\\$3 .. .\" # MT - "empty" string .de MT .QW "" .. .BS .SH NAME doctools::toc::structure \- Doctoc serialization utilities .SH SYNOPSIS package require \fBdoctools::toc::structure ?0\&.1?\fR .sp package require \fBTcl 8\&.4\fR .sp package require \fBlogger \fR .sp package require \fBsnit \fR .sp \fB::doctools::toc::structure\fR \fBverify\fR \fIserial\fR ?\fIcanonvar\fR? .sp \fB::doctools::toc::structure\fR \fBverify-as-canonical\fR \fIserial\fR .sp \fB::doctools::toc::structure\fR \fBcanonicalize\fR \fIserial\fR .sp \fB::doctools::toc::structure\fR \fBprint\fR \fIserial\fR .sp \fB::doctools::toc::structure\fR \fBmerge\fR \fIseriala\fR \fIserialb\fR .sp .BE .SH DESCRIPTION This package provides commands to work with the serializations of tables of contents as managed by the doctools system v2, and specified in section \fBToC serialization format\fR\&. .PP This is an internal package of doctools, for use by the higher level packages handling tables of contents and their conversion into and out of various other formats, like documents written using \fIdoctoc\fR markup\&. .SH API .TP \fB::doctools::toc::structure\fR \fBverify\fR \fIserial\fR ?\fIcanonvar\fR? This command verifies that the content of \fIserial\fR is a valid \fIregular\fR serialization of a table of contents and will throw an error if that is not the case\&. The result of the command is the empty string\&. .sp If the argument \fIcanonvar\fR is specified it is interpreted as the name of a variable in the calling context\&. This variable will be written to if and only if \fIserial\fR is a valid regular serialization\&. Its value will be a boolean, with \fBTrue\fR indicating that the serialization is not only valid, but also \fIcanonical\fR\&. \fBFalse\fR will be written for a valid, but non-canonical serialization\&. .sp For the specification of regular and canonical serializations see the section \fBToC serialization format\fR\&. .TP \fB::doctools::toc::structure\fR \fBverify-as-canonical\fR \fIserial\fR This command verifies that the content of \fIserial\fR is a valid \fIcanonical\fR serialization of a table of contents and will throw an error if that is not the case\&. The result of the command is the empty string\&. .sp For the specification of canonical serializations see the section \fBToC serialization format\fR\&. .TP \fB::doctools::toc::structure\fR \fBcanonicalize\fR \fIserial\fR This command assumes that the content of \fIserial\fR is a valid \fIregular\fR serialization of a table of contents and will throw an error if that is not the case\&. .sp It will then convert the input into the \fIcanonical\fR serialization of the contained table of contents and return it as its result\&. If the input is already canonical it will be returned unchanged\&. .sp For the specification of regular and canonical serializations see the section \fBToC serialization format\fR\&. .TP \fB::doctools::toc::structure\fR \fBprint\fR \fIserial\fR This command assumes that the argument \fIserial\fR contains a valid regular serialization of a table of contents and returns a string containing that table in a human readable form\&. .sp The exact format of this form is not specified and cannot be relied on for parsing or other machine-based activities\&. .sp For the specification of regular serializations see the section \fBToC serialization format\fR\&. .TP \fB::doctools::toc::structure\fR \fBmerge\fR \fIseriala\fR \fIserialb\fR This command accepts the regular serializations of two tables of contents and uses them to create their union\&. The result of the command is the canonical serialization of this unified table of contents\&. .sp Title and label of the resulting table are taken from the table contained in \fIserialb\fR\&. .sp The whole table and its divisions are merged recursively in the same manner: .RS .IP [1] All reference elements which occur in both divisions (identified by their label) are unified with document id's and descriptions taken from the second table\&. .IP [2] All division elements which occur in both divisions (identified by their label) are unified with the optional document id taken from the second table, if any, or from the first if none is in the second\&. The elements in the division are merged recursively using the same algorithm as described in this list\&. .IP [3] Type conflicts between elements, i\&.e\&. finding two elements with the same label but different types result in a merge error\&. .IP [4] All elements found in the second division but not in the first are added to the end of the list of elements in the merge result\&. .RE .sp For the specification of regular and canonical serializations see the section \fBToC serialization format\fR\&. .PP .SH "TOC SERIALIZATION FORMAT" Here we specify the format used by the doctools v2 packages to serialize tables of contents as immutable values for transport, comparison, etc\&. .PP We distinguish between \fIregular\fR and \fIcanonical\fR serializations\&. While a table of contents may have more than one regular serialization only exactly one of them will be \fIcanonical\fR\&. .PP .TP regular serialization .RS .IP [1] The serialization of any table of contents is a nested Tcl dictionary\&. .IP [2] This dictionary holds a single key, \fBdoctools::toc\fR, and its value\&. This value holds the contents of the table of contents\&. .IP [3] The contents of the table of contents are a Tcl dictionary holding the title of the table of contents, a label, and its elements\&. The relevant keys and their values are .RS .TP \fBtitle\fR The value is a string containing the title of the table of contents\&. .TP \fBlabel\fR The value is a string containing a label for the table of contents\&. .TP \fBitems\fR The value is a Tcl list holding the elements of the table, in the order they are to be shown\&. .sp Each element is a Tcl list holding the type of the item, and its description, in this order\&. An alternative description would be that it is a Tcl dictionary holding a single key, the item type, mapped to the item description\&. .sp The two legal item types and their descriptions are .RS .TP \fBreference\fR This item describes a single entry in the table of contents, referencing a single document\&. To this end its value is a Tcl dictionary containing an id for the referenced document, a label, and a longer textual description which can be associated with the entry\&. The relevant keys and their values are .RS .TP \fBid\fR The value is a string containing the id of the document associated with the entry\&. .TP \fBlabel\fR The value is a string containing a label for this entry\&. This string also identifies the entry, and no two entries (references and divisions) in the containing list are allowed to have the same label\&. .TP \fBdesc\fR The value is a string containing a longer description for this entry\&. .RE .TP \fBdivision\fR This item describes a group of entries in the table of contents, inducing a hierarchy of entries\&. To this end its value is a Tcl dictionary containing a label for the group, an optional id to a document for the whole group, and the list of entries in the group\&. The relevant keys and their values are .RS .TP \fBid\fR The value is a string containing the id of the document associated with the whole group\&. This key is optional\&. .TP \fBlabel\fR The value is a string containing a label for the group\&. This string also identifies the entry, and no two entries (references and divisions) in the containing list are allowed to have the same label\&. .TP \fBitems\fR The value is a Tcl list holding the elements of the group, in the order they are to be shown\&. This list has the same structure as the value for the keyword \fBitems\fR used to describe the whole table of contents, see above\&. This closes the recusrive definition of the structure, with divisions holding the same type of elements as the whole table of contents, including other divisions\&. .RE .RE .RE .RE .TP canonical serialization The canonical serialization of a table of contents has the format as specified in the previous item, and then additionally satisfies the constraints below, which make it unique among all the possible serializations of this table of contents\&. .RS .IP [1] The keys found in all the nested Tcl dictionaries are sorted in ascending dictionary order, as generated by Tcl's builtin command \fBlsort -increasing -dict\fR\&. .RE .PP .SH "BUGS, IDEAS, FEEDBACK" This document, and the package it describes, will undoubtedly contain bugs and other problems\&. Please report such in the category \fIdoctools\fR of the \fITcllib Trackers\fR [http://core\&.tcl\&.tk/tcllib/reportlist]\&. Please also report any ideas for enhancements you may have for either package and/or documentation\&. .PP When proposing code changes, please provide \fIunified diffs\fR, i\&.e the output of \fBdiff -u\fR\&. .PP Note further that \fIattachments\fR are strongly preferred over inlined patches\&. Attachments can be made by going to the \fBEdit\fR form of the ticket immediately after its creation, and then using the left-most button in the secondary navigation bar\&. .SH KEYWORDS deserialization, doctoc, doctools, serialization .SH CATEGORY Documentation tools .SH COPYRIGHT .nf Copyright (c) 2009 Andreas Kupries .fi