[latex3-commits] [git/LaTeX3-latex3-latex3] key-digest: Initial ideas for \keys_digest:nnN (d69ad7abf)

Joseph Wright joseph.wright at morningstar2.co.uk
Mon Feb 28 09:24:18 CET 2022


Repository : https://github.com/latex3/latex3
On branch  : key-digest
Link       : https://github.com/latex3/latex3/commit/d69ad7abf6477e7891e0705963c733db0ea04dd2

>---------------------------------------------------------------

commit d69ad7abf6477e7891e0705963c733db0ea04dd2
Author: Joseph Wright <joseph.wright at morningstar2.co.uk>
Date:   Mon Feb 28 08:24:18 2022 +0000

    Initial ideas for \keys_digest:nnN


>---------------------------------------------------------------

d69ad7abf6477e7891e0705963c733db0ea04dd2
 l3kernel/CHANGELOG.md |  4 +++
 l3kernel/l3debug.dtx  |  2 +-
 l3kernel/l3keys.dtx   | 74 ++++++++++++++++++++++++++++++++++++++++++++-------
 3 files changed, 70 insertions(+), 10 deletions(-)

diff --git a/l3kernel/CHANGELOG.md b/l3kernel/CHANGELOG.md
index ba245c3c9..4248d4170 100644
--- a/l3kernel/CHANGELOG.md
+++ b/l3kernel/CHANGELOG.md
@@ -7,6 +7,10 @@ this project uses date-based 'snapshot' version identifiers.
 
 ## [Unreleased]
 
+### Added
+- `\keys_digiest:nnN` for conversion of keyvals to fast-to-apply token
+  lists
+
 ## [2022-02-24]
 
 ### Changed
diff --git a/l3kernel/l3debug.dtx b/l3kernel/l3debug.dtx
index 81d3d81c4..bf0058223 100644
--- a/l3kernel/l3debug.dtx
+++ b/l3kernel/l3debug.dtx
@@ -1015,7 +1015,7 @@
         { \__kernel_debug_log:x { Defining~key~#1~\msg_line_context: } }
     }
     { }
-    { \@@_cmd_set:nn }
+    { \@@_cmd_set_direct:nn }
 %<@@=msg>
   \__kernel_patch:nnn
     { }
diff --git a/l3kernel/l3keys.dtx b/l3kernel/l3keys.dtx
index 360a00899..932a42193 100644
--- a/l3kernel/l3keys.dtx
+++ b/l3kernel/l3keys.dtx
@@ -882,6 +882,18 @@
 %   group and are thus never set.
 % \end{function}
 %
+% \section{Digesting keys}
+%
+% \begin{function}[added = 2022-02-28]{\keys_digest:nnN}
+%   \begin{syntax}
+%     \cs{keys_digest:nnN} \Arg{module} \Arg{keyval list} \meta{tl}
+%   \end{syntax}
+%   Parses the \meta{keyval list} as for \cs{keys_set:nn}, placing the
+%   resulting code for those which set variables or functions into the
+%   \meta{tl}. Thus this function \enquote{digests} the keyval list into
+%   a set of results which can be applied rapidly.
+% \end{function}
+%
 % \section{Utility functions for keys}
 %
 % \begin{function}[EXP, pTF, updated = 2022-01-10]
@@ -1661,6 +1673,14 @@
 %    \end{macrocode}
 % \end{variable}
 %
+% \begin{variable}{\l_@@_digest_bool, \l_@@_digest_tl}
+%   For digesting keys.
+%    \begin{macrocode}
+\bool_new:N \l_@@_digest_bool
+\tl_new:N \l_@@_digest_tl
+%    \end{macrocode}
+% \end{variable}
+%
 % \begin{variable}{\l_keys_usage_load_prop, \l_keys_usage_preamble_prop}
 %   Global data for document-level information.
 %    \begin{macrocode}
@@ -1866,7 +1886,7 @@
       { \exp_not:c { bool_ #2 set_ #3 :N } \exp_not:N #1 }
     \@@_cmd_set:nx { \l_keys_path_str / false }
       { \exp_not:c { bool_ #2 set_ #4 :N } \exp_not:N #1 }
-    \@@_cmd_set:nn { \l_keys_path_str / unknown }
+    \@@_cmd_set_direct:nn { \l_keys_path_str / unknown }
       {
         \msg_error:nnx { keys } { boolean-values-only }
           \l_keys_key_str
@@ -1909,8 +1929,8 @@
   {
     \cs_set_nopar:cpn { \c_@@_type_root_str \l_keys_path_str }
       { choice }
-    \@@_cmd_set:nn \l_keys_path_str { #1 {##1} }
-    \@@_cmd_set:nn { \l_keys_path_str / unknown }
+    \@@_cmd_set_direct:nn \l_keys_path_str { #1 {##1} }
+    \@@_cmd_set_direct:nn { \l_keys_path_str / unknown }
       {
         \msg_error:nnxx { keys } { choice-unknown }
           \l_keys_path_str {##1}
@@ -1952,13 +1972,26 @@
 % \end{macro}
 %
 % \begin{macro}
-%   {\@@_cmd_set:nn, \@@_cmd_set:nx, \@@_cmd_set:Vn, \@@_cmd_set:Vo}
+%   {
+%     \@@_cmd_set:nn, \@@_cmd_set:nx, \@@_cmd_set:Vn, \@@_cmd_set:Vo,
+%     \@@_cmd_set_direct:nn
+%   }
 %   Setting the code for a key first logs if appropriate that we are
 %   defining a new key, then saves the code.
 %    \begin{macrocode}
 \cs_new_protected:Npn \@@_cmd_set:nn #1#2
-  { \cs_set_protected:cpn { \c_@@_code_root_str #1 } ##1 {#2} }
+  {
+    \@@_cmd_set_direct:nn {#1}
+      {
+        \bool_if:NTF \l_@@_digest_bool
+          { \tl_put_right:Nn \l_@@_digest_tl }
+          { \use:n }
+            {#2}
+      }
+  }
 \cs_generate_variant:Nn \@@_cmd_set:nn { nx , Vn , Vo }
+\cs_new_protected:Npn \@@_cmd_set_direct:nn #1#2
+  { \cs_set_protected:cpn { \c_@@_code_root_str #1 } ##1 {#2} }
 %    \end{macrocode}
 % \end{macro}
 %
@@ -1970,7 +2003,12 @@
 \cs_new_protected:Npn \@@_cs_set:NNpn #1#2#3#
   {
     \cs_set_protected:cpx { \c_@@_code_root_str \l_keys_path_str } ##1
-      { #1 \exp_not:N #2 \exp_not:n {#3} {##1} }
+      {
+        \exp_not:N \bool_if:NTF \exp_not:N \l_@@_digest_bool
+          { \tl_put_right:Nn \exp_not:N \l_@@_digest_tl }
+          { \exp_not:N \use:n }
+            { #1 \exp_not:N #2 \exp_not:n {#3} {##1} }
+      }
     \use_none:n
   }
 \cs_generate_variant:Nn \@@_cs_set:NNpn { Nc }
@@ -2089,13 +2127,17 @@
 %    \begin{macrocode}
 \cs_new_protected:Npn \@@_meta_make:n #1
   {
-    \@@_cmd_set:Vo \l_keys_path_str
+    \exp_args:NVo \@@_cmd_set_direct:nn \l_keys_path_str
       {
-        \exp_after:wN \keys_set:nn \exp_after:wN { \l_@@_module_str } {#1}
+        \exp_after:wN \keys_set:nn \exp_after:wN 
+          { \l_@@_module_str } {#1}
       }
   }
 \cs_new_protected:Npn \@@_meta_make:nn #1#2
-  { \@@_cmd_set:Vn \l_keys_path_str { \keys_set:nn {#1} {#2} } }
+  {
+    \exp_args:NV \@@_cmd_set_direct:nn
+      \l_keys_path_str { \keys_set:nn {#1} {#2} }
+  }
 %    \end{macrocode}
 % \end{macro}
 % \end{macro}
@@ -2895,6 +2937,20 @@
 % \end{macro}
 % \end{macro}
 %
+% \begin{macro}{\keys_digest:nnN}
+%   A simple wrapper.
+%    \begin{macrocode}
+\cs_new_protected:Npn \keys_digest:nnN #1#2#3
+  {
+    \bool_set_true:N \l_@@_digest_bool
+    \tl_clear:N \l_@@_digest_tl
+    \keys_set:nn {#1} {#2}
+    \bool_set_false:N \l_@@_digest_bool
+    \tl_set_eq:NN #3 \l_@@_digest_tl
+  }
+%    \end{macrocode}
+% \end{macro}
+%
 % \begin{macro}{\@@_set_keyval:n, \@@_set_keyval:nn}
 % \begin{macro}{\@@_set_keyval:nnn, \@@_set_keyval:onn}
 % \begin{macro}{\@@_find_key_module:wNN}





More information about the latex3-commits mailing list.