From 1de3a9aae84ec71c4fd83604ea9c45204efb9baf Mon Sep 17 00:00:00 2001
From: Aleksey Veresov <aleksey@veresov.pro>
Date: Fri, 25 Oct 2019 14:10:45 +0300
Subject: .

---
 src/plain.cpp | 130 +++++++++++++++++++++++++++++++++-------------------------
 1 file changed, 75 insertions(+), 55 deletions(-)

(limited to 'src/plain.cpp')

diff --git a/src/plain.cpp b/src/plain.cpp
index bff9398..d6d262d 100644
--- a/src/plain.cpp
+++ b/src/plain.cpp
@@ -2,22 +2,23 @@
 
 
 TexoProducerPlain::TexoProducerPlain(TexoExporter &exporter):
-    TexoProducer(exporter)
+    TexoProducer(exporter), quoted(false), newline(false)
 {}
 
 void TexoProducerPlain::Put(const Texo &piece)
 {
-    if (quoted && piece.c == '\n') {
-        exporter.Put("\n> ");
+    if (piece.c == '\n') {
+        if (quoted) {
+            exporter.Put("\n>");
+        } else if (newline) {
+            exporter.Put(' ');
+        } else {
+            exporter.Put('\n');
+            newline = true;
+        }
     } else {
         exporter.Put(piece.c);
-    }
-}
-
-void TexoProducerPlain::Put(const TexoHeader &piece)
-{
-    if (!piece.closing) {
-        exporter.Put("\n\n# ");
+        newline = false;
     }
 }
 
@@ -25,28 +26,38 @@ void TexoProducerPlain::Put(const TexoParagraph &piece)
 {
     if (piece.closing) {
         exporter.Put("\n\n");
+        newline = true;
     }
 }
 
 void TexoProducerPlain::Put(const TexoQuote &piece)
 {
     if (piece.closing) {
-        quoted = false;
         exporter.Put("\n\n");
+        quoted  = false;
+        newline = true;
     } else {
+        if (!newline) {
+            exporter.Put('\n');
+        }
+        exporter.Put(">");
         quoted = true;
-        exporter.Put("\n\n> ");
     }
 }
 
 void TexoProducerPlain::Put(const TexoLineBreak &piece)
 {
-    exporter.Put(" \n");
+    exporter.Put("\n\n");
+    newline = true;
 }
 
 void TexoProducerPlain::Put(const TexoHorizontalRule &piece)
 {
-    exporter.Put("\n--------------------------------------------------\n");
+    if (!newline) {
+        exporter.Put('\n');
+    }
+    exporter.Put("--------------------------------------------------\n");
+    newline = false;
 }
 
 
@@ -59,15 +70,17 @@ TexoImporterPlain::TexoImporterPlain(TexoProducer &producer):
 TexoImporterPlain::~TexoImporterPlain()
 {
     switch (state) {
-    case text: case space: case newline:
+    case rule:
+        producer.Put('\n');
+        for (;dash_count > 0; --dash_count) {
+            producer.Put('-');
+        }
+    case text: case newline:
         producer.Put(TexoParagraph(true));
         break;
     case quote: case quote_newline:
         producer.Put(TexoQuote(true));
         break;
-    case header:
-        producer.Put(TexoHeader(true));
-        break;
     case paragraph:
         break;
     }
@@ -76,13 +89,12 @@ TexoImporterPlain::~TexoImporterPlain()
 void TexoImporterPlain::Put(char c)
 {
     switch (state) {
-    case text:                Text(c);              break;
-    case space:               Space(c);             break;
-    case newline:             Newline(c);           break;
-    case paragraph:           Paragraph(c);         break;
-    case quote:               Quote(c);             break;
-    case quote_newline:       QuoteNewline(c);      break;
-    case header:              Header(c);            break;
+    case text:          Text(c);         break;
+    case newline:       Newline(c);      break;
+    case paragraph:     Paragraph(c);    break;
+    case quote:         Quote(c);        break;
+    case quote_newline: QuoteNewline(c); break;
+    case rule:          Rule(c);         break;
     }
 }
 
@@ -91,53 +103,47 @@ void TexoImporterPlain::Put(const ScriptVariable &str)
     TexoImporter::Put(str);
 }
 
-void TexoImporterPlain::Text(char c)
+void TexoImporterPlain::Put(FILE *file)
 {
-    switch (c) {
-    case ' ':  state = space;         break;
-    case '\n': state = newline;       break;
-    default:   producer.Put(Texo(c)); break;
-    }
+    TexoImporter::Put(file);
 }
 
-void TexoImporterPlain::Space(char c)
+void TexoImporterPlain::Text(char c)
 {
-    if (c == '\n') {
-        producer.Put(TexoLineBreak());
-        state = text;
-    } else if (c == ' ') {
-        producer.Put(Texo(' '));
-    } else {
-        producer.Put(Texo(' '));
-        producer.Put(Texo(c));
-        state = text;
+    switch (c) {
+    case '\n': state = newline; break;
+    default:   producer.Put(c); break;
     }
 }
 
 void TexoImporterPlain::Newline(char c)
 {
     if (c == '\n') {
-        producer.Put(TexoParagraph(true));
         state = paragraph;
+    } else if (c == '-') {
+        dash_count = 1;
+        state = rule;
     } else {
-        producer.Put(Texo('\n'));
-        producer.Put(Texo(c));
+        producer.Put('\n');
         state = text;
+        Text(c);
     }
 }
 
 void TexoImporterPlain::Paragraph(char c)
 {
     if (c == '>') {
+        producer.Put(TexoParagraph(true));
         producer.Put(TexoQuote());
         state = quote;
-    } else if (c == '#') {
-        producer.Put(TexoHeader(1));
-        state = header;
-    } else {
+    } else if (c == '-') {
+        dash_count = 1;
+        state = rule;
+    } else if (c != '\n') {
+        producer.Put(TexoParagraph(true));
         producer.Put(TexoParagraph());
-        producer.Put(Texo(c));
         state = text;
+        Text(c);
     }
 }
 
@@ -145,31 +151,45 @@ void TexoImporterPlain::Quote(char c)
 {
     switch (c) {
     case '\n': state = quote_newline; break;
-    default:   producer.Put(Texo(c)); break;
+    default:   producer.Put(c);       break;
     }
 }
 
 void TexoImporterPlain::QuoteNewline(char c)
 {
     if (c == '>') {
+        producer.Put('\n');
         state = quote;
     } else if (c == '\n') {
         producer.Put(TexoQuote(true));
+        producer.Put(TexoParagraph());
         state = paragraph;
+    } else if (c == '-') {
+        producer.Put(TexoQuote(true));
+        producer.Put(TexoParagraph());
+        dash_count = 1;
+        state = rule;
     } else {
         producer.Put(TexoQuote(true));
         producer.Put(TexoParagraph());
-        producer.Put(Texo(c));
         state = text;
+        Text(c);
     }
 }
 
-void TexoImporterPlain::Header(char c)
+void TexoImporterPlain::Rule(char c)
 {
     if (c == '\n') {
-        producer.Put(TexoHeader(1, true));
-        state = paragraph;
+        producer.Put(TexoHorizontalRule());
+        state = text;
+    } else if (c == '-') {
+        ++dash_count;
     } else {
-        producer.Put(Texo(c));
+        producer.Put('\n');
+        for (;dash_count > 0; --dash_count) {
+            producer.Put('-');
+        }
+        state = text;
+        Text(c);
     }
 }
-- 
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