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-rw-r--r--Master/texmf-dist/tex/latex/celtic/tikzlibraryceltic.code.tex52
1 files changed, 40 insertions, 12 deletions
diff --git a/Master/texmf-dist/tex/latex/celtic/tikzlibraryceltic.code.tex b/Master/texmf-dist/tex/latex/celtic/tikzlibraryceltic.code.tex
index 20ac5a97c07..f70dc9e1f84 100644
--- a/Master/texmf-dist/tex/latex/celtic/tikzlibraryceltic.code.tex
+++ b/Master/texmf-dist/tex/latex/celtic/tikzlibraryceltic.code.tex
@@ -38,26 +38,35 @@
\fp_new:N \l__celtic_inner_fp
\fp_new:N \l__celtic_outer_fp
\seq_new:N \l__celtic_path_seq
+\seq_new:N \l__celtic_overpath_seq
\seq_new:N \l__celtic_component_seq
\seq_new:N \l__celtic_crossing_seq
\seq_new:N \l__celtic_tmpa_seq
\clist_new:N \l__celtic_tmpa_clist
\tl_new:N \l__celtic_tmpa_tl
\tl_new:N \l__celtic_path_tl
-\tl_new:N \g__celtic_colon_tl
\tl_new:N \l__celtic_bar_tl
\tl_new:N \l__celtic_active_bar_tl
+\tl_new:N \l__celtic_start_tl
\bool_new:N \l__celtic_bounce_bool
\bool_new:N \l__celtic_pbounce_bool
+
+\cs_new_nopar:Npn \tl_split_after:Nnn #1#2#3
+{
+ \cs_set:Npn \tl_split_aux:nnn ##1#3##2 \q_stop: {#3##2}
+ \tl_set:Nx #1 {\tl_split_aux:nnn #2 \q_stop:}
+}
+\cs_generate_variant:Nn \tl_split_after:Nnn {NVn}
+\cs_new_nopar:Npn \tl_split_before:Nnn #1#2#3
+{
+ \cs_set:Npn \tl_split_aux:nnn ##1#3##2 \q_stop: {##1#3}
+ \tl_set:Nx #1 {\tl_split_aux:nnn #2 \q_stop:}
+}
+\cs_generate_variant:Nn \tl_split_before:Nnn {NVn}
\msg_new:nnnn { celtic } { max~ steps } { Limit~ of~ number~ of~ steps~ exceeded~ \msg_line_context:.}
{ Paths~ may~ not~ be~ correctly~ constructed.~
Consider~ raising~ the~ limit~ from \int_use:N \l__celtic_max_steps_int.}
-\group_begin:
-\char_set_lccode:nn {`;}{`:}
-\tl_to_lowercase:n {
-\group_end:
- \tl_set:Nn \g__celtic_colon_tl {;}
-}
+\tl_const:Nx \c__celtic_colon_tl { \token_to_str:N : }
\tl_set:Nn \l__celtic_bar_tl {|}
\group_begin:
\char_set_catcode_active:N \|
@@ -98,7 +107,7 @@ Consider~ raising~ the~ limit~ from \int_use:N \l__celtic_max_steps_int.}
}
\cs_new_nopar:Npn \celtic_maybe_xrange:nnnn #1#2#3#4
{
- \tl_if_in:nVTF {#3} \g__celtic_colon_tl
+ \tl_if_in:nVTF {#3} \c__celtic_colon_tl
{
\celtic_do_xrange:w {#1}{#2}#3\q_stop{#4}
}
@@ -108,7 +117,7 @@ Consider~ raising~ the~ limit~ from \int_use:N \l__celtic_max_steps_int.}
}
\cs_new_nopar:Npn \celtic_maybe_yrange:nnnn #1#2#3#4
{
- \tl_if_in:nVTF {#4} \g__celtic_colon_tl
+ \tl_if_in:nVTF {#4} \c__celtic_colon_tl
{
\celtic_do_yrange:w {#1}{#2}{#3}#4\q_stop
}
@@ -118,14 +127,14 @@ Consider~ raising~ the~ limit~ from \int_use:N \l__celtic_max_steps_int.}
}
\tl_set:Nx \l_tmpa_tl
{
- \exp_not:N \cs_new_nopar:Npn \exp_not:N \celtic_do_xrange:w ##1##2##3\tl_use:N \g__celtic_colon_tl ##4\exp_not:N \q_stop##5
+ \exp_not:N \cs_new_nopar:Npn \exp_not:N \celtic_do_xrange:w ##1##2##3\tl_use:N \c__celtic_colon_tl ##4\exp_not:N \q_stop##5
{
\exp_not:N \int_step_inline:nnnn {##3} {2} {##4}
{
\exp_not:N \celtic_maybe_yrange:nnnn {##1}{##2} {####1}{##5}
}
}
- \exp_not:N \cs_new_nopar:Npn \exp_not:N \celtic_do_yrange:w ##1##2##3##4\tl_use:N \g__celtic_colon_tl ##5\exp_not:N \q_stop
+ \exp_not:N \cs_new_nopar:Npn \exp_not:N \celtic_do_yrange:w ##1##2##3##4\tl_use:N \c__celtic_colon_tl ##5\exp_not:N \q_stop
{
\exp_not:N \int_step_inline:nnnn {##4} {2} {##5}
{
@@ -155,7 +164,9 @@ Consider~ raising~ the~ limit~ from \int_use:N \l__celtic_max_steps_int.}
\int_zero:N \l__celtic_cross_int
\tl_clear:N \l__celtic_crossing_tl
\tl_clear:N \l__celtic_path_tl
+ \tl_clear:N \l__celtic_overpath_tl
\bool_set_false:N \l__celtic_bounce_tl
+ \tl_set:Nx \l__celtic_start_tl {(\int_use:N \l__celtic_x, \int_use:N \l__celtic_y)}
\tl_put_right:Nx \l__celtic_path_tl {(\int_use:N \l__celtic_x, \int_use:N \l__celtic_y)}
\int_set:Nn \l__celtic_lout {(90 - \l__celtic_dx * 45) * \l__celtic_dy}
\bool_do_until:nn {\int_compare_p:n {\l__celtic_cross_int > 1}}
@@ -273,6 +284,21 @@ Consider~ raising~ the~ limit~ from \int_use:N \l__celtic_max_steps_int.}
\int_set:Nn \l__celtic_lout {(90 - \l__celtic_dx * 45) * \l__celtic_dy}
}
}
+ \tl_set_eq:NN \l__celtic_overpath_tl \l__celtic_path_tl
+ \tl_set:Nx \l__celtic_tmpa_tl {(\int_use:N \l__celtic_x, \int_use:N
+\l__celtic_y)}
+ \tl_if_eq:NNT \l__celtic_crossing_tl \l__celtic_tmpa_tl
+ {
+ \tl_reverse:N \l__celtic_overpath_tl
+ \tl_set:Nx \l__celtic_overpath_tl {\tl_tail:N \l__celtic_overpath_tl}
+ \tl_split_after:NVn \l__celtic_overpath_tl \l__celtic_overpath_tl {)}
+ \tl_reverse:N \l__celtic_overpath_tl
+ }
+ \tl_if_eq:NNT \l__celtic_crossing_tl \l__celtic_start_tl
+ {
+ \tl_set:Nx \l__celtic_overpath_tl {\tl_tail:N \l__celtic_overpath_tl}
+ \tl_split_after:NVn \l__celtic_overpath_tl \l__celtic_overpath_tl {(}
+ }
}
\keys_define:nn { celtic }
{
@@ -342,6 +368,7 @@ Consider~ raising~ the~ limit~ from \int_use:N \l__celtic_max_steps_int.}
\group_begin:
\pgfscope
\seq_clear:N \l__celtic_path_seq
+ \seq_clear:N \l__celtic_overpath_seq
\seq_clear:N \l__celtic_component_seq
\seq_clear:N \l__celtic_crossing_seq
\int_set:Nn \l__celtic_flip_int {1}
@@ -416,6 +443,7 @@ Consider~ raising~ the~ limit~ from \int_use:N \l__celtic_max_steps_int.}
\int_incr:N \l__celtic_int
\celtic_next_crossing:
\seq_put_left:NV \l__celtic_path_seq \l__celtic_path_tl
+ \seq_put_left:NV \l__celtic_overpath_seq \l__celtic_overpath_tl
\seq_put_left:NV \l__celtic_crossing_seq \l__celtic_crossing_tl
\seq_put_left:NV \l__celtic_component_seq \l__celtic_component_int
}
@@ -448,7 +476,7 @@ Consider~ raising~ the~ limit~ from \int_use:N \l__celtic_max_steps_int.}
\tl_use:N \l__celtic_tmpa_tl
\fp_set:Nn \l__celtic_inner_clip_fp {sqrt(2) * (\l__celtic_clip_fp + \l__celtic_inner_fp)}
\fp_set:Nn \l__celtic_clip_fp {sqrt(2) * (\l__celtic_clip_fp + \l__celtic_outer_fp)}
- \seq_map_inline:Nn \l__celtic_path_seq
+ \seq_map_inline:Nn \l__celtic_overpath_seq
{
\seq_pop:NN \l__celtic_crossing_seq \l__celtic_crossing_tl
\seq_pop:NN \l__celtic_component_seq \l__celtic_tmpa_tl