- Enabling easy inclusion of source files within each other.
It aims to do this with zero dependencies beyond the programs already
- installed on your computer.
-(On Linux machines, you may need to install `libxml2-utils` to get the
- commandline programs from `libxml2`.)
+ installed on your computer†.
-**Note:**
-⛩️📰 书社 requires functionality present in G·N·U Make 3.81 (or later)
- and will not work in previous versions, or other implementations of
- Make.
-Compatibility with later versions of G·N·U Make is assumed, but not
- tested.
+† Assuming an operating system with a fairly featureful, and
+ Posix‐compliant, development setup (e·g, macOS).
+In fact, on Linux you will probably need to install a few programs:
+ `libxml2-utils`, `xsltproc`, `sharutils`, and `pax`.
## Nomenclature
In Ascii environments, ⛩️📰 书社 should be written `Shushe`, following
the pinyin transliteration.
+## Prerequisites
+
+In most cases, ⛩️📰 书社 aims to require only functionality which is
+ present in all Posix‐compliant operating systems.
+There are a few exceptions.
+Details on particular programs are given below; if a program is not
+ listed, it is assumed that any Posix‐compliant implementation will
+ work.
+
+### `date`
+
+This is a Posix utility, but ⛩️📰 书社 currently depends on
+ unspecified behaviour.
+When the G·N·U version of `stat` is being used, then the G·N·U version
+ of `date` is also expected.
+
+### `file`
+
+This is a Posix utility, but ⛩️📰 书社 currently depends on
+ unspecified behaviour.
+It requires support for the following additional options :—
+
+- **`-C`**, when supplied with `-m`, must be useable to compile a
+ `.mgc` magicfile for use with future invocations of `file`.
+
+- **`--files-from`** must be useable to provide a file that `file`
+ should read file·names from, and `-` must be useable in this
+ context to specify the standard input.
+
+- **`--mime-type`** must cause `file` to print the internet media type
+ of the file with no charset parameter.
+
+- **`--separator`** must be useable to set the separator that `file`
+ uses to separate file names from types.
+
+These options are implemented by the
+ [Fine Free File Command](https://darwinsys.com/file/), which is used
+ by most operating systems.
+
+### `git`
+
+This is not a Posix utility.
+Usage of `git` is optional, but recommended (and activated by default).
+To disable it, set `GIT=`.
+
+### `make`
+
+This is a Posix utility, but ⛩️📰 书社 currently depends on
+ unspecified behaviour.
+⛩️📰 书社 requires specifically the G·N·U version of `make`, and
+ depends on functionality present in version 3.81 or later.
+It is not expected to work in previous versions, or with other
+ implementations of Make.
+
+### `pax`
+
+This is a Posix utility, but not included in the Linux Standard Base or
+ installed by default in many distributions.
+Only `ustar` format support is required.
+
+### `stat`
+
+This is not a Posix utility, and nor is it particularly portable.
+To get around incompatibilities, ⛩️📰 书社 attempts to recognize G·N·U
+ `stat` by searching for the string `GNU` when invoked with the
+ `--version` option, and falls back to B·S·D behaviour otherwise.
+
+### `uudecode` and `uuencode`
+
+These are Posix utilities, but not included in the Linux Standard Base
+ or installed by default in many distributions.
+The G·N·U [Sharutils](https://www.gnu.org/software/sharutils/) package
+ can be installed to access them.
+
+### `xargs`
+
+This is a Posix utility, but ⛩️📰 书社 currently depends on
+ unspecified behaviour.
+It requires support for the `-0` flag, which must disable the special
+ quote and whitespace handling of `xargs` in favour of null‐terminated
+ strings.
+
+### `xmlcatalog` and `xmllint`
+
+These are not a Posix utilities.
+They is a part of `libxml2`, but may need to be installed separately
+ (e·g by the name `libxml2-utils`).
+
+### `xsltproc`
+
+This is not a Posix utility.
+It is a part of `libxslt`, but may need to be installed separately.
+
## Basic Usage
Place source files in `sources/` and run `make install` to compile
6. ⛩️📰 书社 compiles each output file to `build/result`.
-7. ⛩️📰 书社 symlinks most output files from `build/result` to
+7. ⛩️📰 书社 copies most output files from `build/result` to
`build/public`, but it does some additional processing instead on
those which indicate a non‐X·M·L desired final output form.
corresponding buildfile or output file is older than its
prerequisites.
-## Namespaces
+## Name·spaces
-The ⛩️📰 书社 namespace is `urn:fdc:ladys.computer:20231231:Shu1She4`.
+The ⛩️📰 书社 name·space is `urn:fdc:ladys.computer:20231231:Shu1She4`.
-This document uses a few namespace prefixes, with the following
+This document uses a few name·space prefixes, with the following
meanings :—
-| Prefix | Expansion |
-| -------: | :----------------------------------------- |
-| `html:` | `http://www.w3.org/1999/xhtml` |
-| `xlink:` | `http://www.w3.org/1999/xlink` |
-| `xslt:` | `http://www.w3.org/1999/XSL/Transform` |
-| `书社:` | `urn:fdc:ladys.computer:20231231:Shu1She4` |
+| Prefix | Expansion |
+| ---------: | :-------------------------------------------- |
+| `catalog:` | `urn:oasis:names:tc:entity:xmlns:xml:catalog` |
+| `exsl:` | `http://exslt.org/common` |
+| `exslstr:` | `http://exslt.org/strings` |
+| `html:` | `http://www.w3.org/1999/xhtml` |
+| `svg:` | `http://www.w3.org/2000/svg` |
+| `xlink:` | `http://www.w3.org/1999/xlink` |
+| `xslt:` | `http://www.w3.org/1999/XSL/Transform` |
+| `书社:` | `urn:fdc:ladys.computer:20231231:Shu1She4` |
## Setup and Configuration
- `file`
- `find`
- `git` (optional; set `GIT=` to disable)
+- `grep`
- `ln`
-- `mkdir` (requires support for `-p`)
+- `ls`
+- `mkdir`
- `mv`
-- `od` (requires support for `-t x1`)
+- `od`
- `pax` (only when generating archives)
- `printf`
- `rm`
- `sed`
- `sleep`
-- `stat`
+- `stat` (BSD *or* GNU)
- `test`
- `touch`
-- `tr` (requires support for `-d`)
-- `uuencode` (requires support for `-m` and `-r`)
-- `uudecode` (requires support for `-m` and `-r`)
+- `tr`
+- `uuencode`
+- `uudecode`
- `xargs` (requires support for `-0`)
- `xmlcatalog` (provided by `libxml2`)
- `xmllint` (provided by `libxml2`)
contain Ascii white·space, colons (`:`), semis (`;`), pipes (`|`),
bucks (`$`), percents (`%`), hashes (`#`), asterisks (`*`), brackets
(`[` or `]`), erotemes (`?`), backslashes (`\`), or control
- characters, must not begin with a hyphen‐minus (`-`), and must not
- end with a cloparen (`)`).**
+ characters, must not begin with a hyphen‐minus (`-`), must not end
+ with a cloparen (`)`), and must not contain quoted braces (`"{` or
+ `}"`).**
The former characters have the potential to conflict with make syntax,
- a leading hyphen‐minus is confusable for a command‐line argument, and
- a trailing cloparen [activates a bug in G·N·U Make
- 3.81](https://stackoverflow.com/questions/17148468/capturing-filenames-including-parentheses-with-gnu-makes-wildcard-function#comment24825307_17148894).
+ a leading hyphen‐minus is confusable for a command‐line argument, a
+ trailing cloparen [activates a bug in G·N·U Make
+ 3.81](https://stackoverflow.com/questions/17148468/capturing-filenames-including-parentheses-with-gnu-makes-wildcard-function#comment24825307_17148894),
+ and quoted braces are used internally by the program.
## Parsers
`<xslt:template>` element with no `@name` or `@mode` and whose
`@match` attribute…
-- Starts with an appropriately‐namespaced qualified name for a
+- Starts with an appropriately‐name·spaced qualified name for a
`<html:script>` element.
- Follows this with the string `[@type=`.
embeds); transforms are applied *after*.
It is **strongly recommended** that auxillary templates in parsers be
- namespaced (by `@name` or `@mode`) whenever possible, to avoid
+ name·spaced (by `@name` or `@mode`) whenever possible, to avoid
conflicts between parsers.
### Attributes added during parsing
To undo this behaviour, remove the `@itemscope` and `@itemtype`
attributes from the embed during the transformation phase.
+- **`transforms/serialization.xslt`:**
+ Replaces `<书社:serialize-xml>` elements with the (escaped)
+ serialized X·M·L of their contents.
+ This replacement happens during the application phase, after most
+ other transformations have taken place.
+
+ If a `@with-namespaces` attribute is provided, any name·space nodes
+ on the toplevel serialized elements whose U·R·I’s correspond to the
+ definitions of the provided prefixes, as defined for the
+ `<书社:serialize-xml>` element, will be declared using name·space
+ attributes on the serialized elements.
+ Otherwise, only name·space nodes which _differ_ from the definitions
+ on the `<书社:serialize-xml>` element will be declared.
+ The string `#default` may be used to represent the default
+ name·space.
+ Multiple prefixes may be provided, separated by white·space.
+
+ When it comes to name·spaces used internally by ⛩️📰 书社, the
+ prefix used by ⛩️📰 书社 may be declared _in addition to_ the
+ prefix(es) used in the source document(s).
+ It is not possible to selectively only declare one prefix for a
+ name·space to the exclusion of others.
+
+ `<书社:raw-output>` elements may be used inside of
+ `<书社:serialize-xml>` elements to inject raw output into the
+ serialized X·M·L.
+
The following are recommendations on effective creation of
transforms :—
It is likely an error if two transforms have templates which match
the same element (unless the templates have different priority).
-- Namespace templates (with `@name` or `@mode`) whenever possible.
+- Name·space templates (with `@name` or `@mode`) whenever possible.
- Set `@exclude-result-prefixes` on the root `xslt:transform` element
- to reduce the number of declared namespaces in the final result.
+ to reduce the number of declared name·spaces in the final result.
## Global Params
Attribute application takes place after all ordinary transforms have
completed.
-Both elements ignore attributes in the `xml:` namespace, except for
+Both elements ignore attributes in the `xml:` name·space, except for
`@xml:lang`, which ignores all but the first definition (including
any already present on the root element).
On H·T·M·L and S·V·G elements, `@lang` has the same behaviour as
## Other Kinds of Output
-There are a few special elements in the `书社:` namespace which, if
+There are a few special elements in the `书社:` name·space which, if
they appear as the toplevel element in a transformation result, cause
⛩️📰 书社 to produce something other than an X·M·L file.
They are :—
A plaintext (U·T·F‐8) file will be produced from the text nodes in
the transformation result.
+## Pagination
+
+It is possible to have a single source file produce multiple output
+ files via `<书社:page>` elements, whose `@name` gives the name of the
+ page.
+If a parsed document has a `@书社:destination` which contains `%s`,
+ the `%s` will be replaced with the `@name` for each `<书社:page>` (and
+ removed for the main output).
+Otherwise, the `@name` is inserted before the first period of the
+ filename (or at the end of the filename for those with no period).
+If `<书社:page>`s do not have a `@name`, they are numbered
+ sequentially.
+The destination of pages must be in the same directory as their parent.
+
+Pagination essentially forms a limited convenience for the more
+ sophisticated technique of creating an archive with ⛩️📰 书社 and
+ then unarchiving it.
+Pages are, from Make’s point of view, untracked side·effects of
+ installing the main output, meaning they cannot be targeted directly
+ and will not appear in `make list` or `make listout`.
+They are intended solely for the like of indices and feeds, for which
+ convenience and necessity outweigh their flaws.
+
## License
This repository conforms to [REUSE][].