latex, pagebreaks, make headers

- for book, article and manually set pagebreaks,
  not fully utilized but flexibility introduced

2 files changed, 64 insertions, 4 deletions

diff --git a/src/doc_reform/io_out/latex.d b/src/doc_reform/io_out/latex.d
index a939fd8..ef878fd 100644
--- a/src/doc_reform/io_out/latex.d
+++ b/src/doc_reform/io_out/latex.d
@@ -505,8 +505,60 @@ template outputLaTeX() {
     string      _txt,
     O           obj,
     M           doc_matters,
+    string      paper_size_orientation,
     string      _part = ""
   ) {
+    string manual_breaks(
+      string test_for_break_level,
+      string _pg_break
+    ) {
+      if ((!(doc_matters.conf_make_meta.make.breaks.empty)
+        && (matchFirst(doc_matters.conf_make_meta.make.breaks, test_for_break_level)))
+      ) {                                                                      // manually override defaults
+        if ((matchFirst(doc_matters.conf_make_meta.make.breaks, rgx.make_breakpage))
+          && (matchFirst(doc_matters.conf_make_meta.make.breaks, rgx.make_breakcolumn))
+        ) {
+          if (auto m = matchFirst(doc_matters.conf_make_meta.make.breaks, rgx.make_breakpage)) {
+            if (matchFirst(m.captures["breakpage"], test_for_break_level)) {
+              _pg_break = "\\clearpage\n";
+            } else if (auto n = matchFirst(doc_matters.conf_make_meta.make.breaks, rgx.make_breakcolumn)) {
+              if (matchFirst(n.captures["breakcolumn"], test_for_break_level)) {
+                if ((paper_size_orientation == "a4.landscape")
+                  || (paper_size_orientation == "b4.landscape")
+                  || (paper_size_orientation == "a5.landscape")
+                  || (paper_size_orientation == "letter.landscape")
+                  || (paper_size_orientation == "legal.landscape")
+                ) {
+                  _pg_break = "\\\\ \\columnbreak\n"; // "\\\\ \\newpage\n";
+                } else { // portrait
+                  _pg_break = "\\clearpage\n";
+                }
+              }
+            }
+          }
+        } else if (auto m = matchFirst(doc_matters.conf_make_meta.make.breaks, rgx.make_breakpage)) {
+          if (matchFirst(m.captures["breakpage"], test_for_break_level)) {
+            _pg_break = "\\clearpage\n";
+          }
+        } else if (auto m = matchFirst(doc_matters.conf_make_meta.make.breaks, rgx.make_breakcolumn)) {
+          if (matchFirst(m.captures["breakcolumn"], test_for_break_level)) {
+            if ((paper_size_orientation == "a4.landscape")
+              || (paper_size_orientation == "b4.landscape")
+              || (paper_size_orientation == "a5.landscape")
+              || (paper_size_orientation == "letter.landscape")
+              || (paper_size_orientation == "legal.landscape")
+            ) {
+              _pg_break = "\\\\ \\columnbreak\n"; // "\\\\ \\newpage\n";
+            } else { // portrait
+              _pg_break = "\\clearpage\n";
+            }
+          }
+        }
+      } else if (!(doc_matters.conf_make_meta.make.breaks.empty)) {
+        _pg_break = "";
+      }
+      return _pg_break;
+    }
     if (obj.metainfo.is_a == "heading") {
       string _tex_para;
       string _pg_break;
@@ -530,7 +582,13 @@ template outputLaTeX() {
       case 4: // 1 == section
         _columns = (_part != "bookindex")
           ? "" : "\n\\br\n\\begin{multicols}{2}";
-        _pg_break = "\\clearpage\n";
+        if (doc_matters.conf_make_meta.make.doc_type == "article") {             // defaults for article
+          _pg_break = "";
+        } else if (doc_matters.conf_make_meta.make.doc_type == "book") {         // defaults for book
+          _pg_break = "\\clearpage\n";
+        } else {
+          _pg_break = "\\clearpage\n";
+        }
         _sect = "section";
         _post = "";
         _title_add = format(q"┃
@@ -1281,7 +1339,7 @@ string table(O,M)(
           case "para":
             switch (obj.metainfo.is_a) {
             case "heading":
-              _txt = _txt.heading(obj, doc_matters);
+              _txt = _txt.heading(obj, doc_matters, paper_size_orientation);
               goto default;
             case "toc":
               break;
@@ -1302,7 +1360,7 @@ string table(O,M)(
           case "para":
             switch (obj.metainfo.is_a) {
             case "heading":
-              _txt = _txt.heading(obj, doc_matters);
+              _txt = _txt.heading(obj, doc_matters, paper_size_orientation);
               goto default;
             case "para":
               _txt = _txt.para(obj)
@@ -1366,7 +1424,7 @@ string table(O,M)(
               if (part == "bookindex") {
                 _multicolumns = true;
               }
-              _txt = _txt.heading(obj, doc_matters, part);
+              _txt = _txt.heading(obj, doc_matters, paper_size_orientation, part);
               goto default;
             case "endnote":              assert(part == "endnotes");
               /* uncomment code to reinstate endnotes in endnote section */
diff --git a/src/doc_reform/io_out/rgx.d b/src/doc_reform/io_out/rgx.d
index 3aaf420..37ad39c 100644
--- a/src/doc_reform/io_out/rgx.d
+++ b/src/doc_reform/io_out/rgx.d
@@ -54,6 +54,8 @@
 module doc_reform.io_out.rgx;
 static template spineRgxOut() {
   static struct RgxO {
+    static make_breakpage                             = ctRegex!(`new=(?P<breakpage>.+?)(?:;|$)`);
+    static make_breakcolumn                           = ctRegex!(`break=(?P<breakcolumn>.+?)(?:;|$)`,);
     static newline                                        = ctRegex!("\n", "mg");
     static space                                          = ctRegex!(`[ ]`, "mg");
     static spaces_keep                                    = ctRegex!(`(?P<keep_spaces>^[ ]+|[ ]{2,})`, "mg"); // code, verse, block