1 files changed, 167 insertions, 0 deletions
diff --git a/src/markdown.cpp b/src/markdown.cpp
new file mode 100644
index 0000000..c542a1f
--- /dev/null
+++ b/src/markdown.cpp
@@ -0,0 +1,167 @@
+#include "markdown.hpp"
+
+
+TexoProducerMarkdown::TexoProducerMarkdown(TexoExporter &exporter):
+    TexoProducer(exporter), quoted(false), newline(false), code(false)
+{}
+
+void TexoProducerMarkdown::Put(const Texo &piece)
+{
+    if (piece.c == '\n') {
+        if (code) {
+            exporter.Put('\n');
+        } else if (quoted) {
+            exporter.Put("\n>");
+        } else if (header || newline) {
+            exporter.Put(' ');
+        } else {
+            exporter.Put('\n');
+            newline = true;
+        }
+    } else {
+        exporter.Put(piece.c);
+        newline = false;
+    }
+}
+
+void TexoProducerMarkdown::Put(const TexoHeader &piece)
+{
+    if (piece.closing) {
+        exporter.Put('\n');
+        header  = false;
+        newline = true;
+    } else {
+        if (!newline) {
+            exporter.Put('\n');
+        }
+        if (piece.level <= 1) {
+            exporter.Put("###### ");
+        } else if (piece.level == 2) {
+            exporter.Put("##### ");
+        } else if (piece.level == 3) {
+            exporter.Put("#### ");
+        } else if (piece.level == 4) {
+            exporter.Put("### ");
+        } else if (piece.level == 5) {
+            exporter.Put("## ");
+        } else {
+            exporter.Put("# ");
+        }
+        header = true;
+    }
+}
+
+void TexoProducerMarkdown::Put(const TexoParagraph &piece)
+{
+    if (piece.closing) {
+        exporter.Put("\n\n");
+        newline = true;
+    }
+}
+
+void TexoProducerMarkdown::Put(const TexoCode &piece)
+{
+    exporter.Put("\n```\n");
+    code = !code;
+}
+
+void TexoProducerMarkdown::Put(const TexoQuote &piece)
+{
+    if (piece.closing) {
+        exporter.Put("\n\n");
+        quoted  = false;
+        newline = true;
+    } else {
+        if (!newline) {
+            exporter.Put('\n');
+        }
+        exporter.Put(">");
+        quoted = true;
+    }
+}
+
+void TexoProducerMarkdown::Put(const TexoMono &piece)
+{
+    exporter.Put("`");
+}
+
+void TexoProducerMarkdown::Put(const TexoBold &piece)
+{
+    exporter.Put("**");
+}
+
+void TexoProducerMarkdown::Put(const TexoItalic &piece)
+{
+    exporter.Put("*");
+}
+
+void TexoProducerMarkdown::Put(const TexoUnderline &piece)
+{
+    exporter.Put("++");
+}
+
+void TexoProducerMarkdown::Put(const TexoStrike &piece)
+{
+    exporter.Put("~~");
+}
+
+void TexoProducerMarkdown::Put(const TexoImage &piece)
+{
+    if (piece.path != "") {
+        const bool link = piece.link != "";
+        if (link) {
+            exporter.Put('[');
+        }
+        exporter.Put("![");
+        exporter.Put(piece.alt);
+        exporter.Put("](");
+        exporter.Put(piece.path);
+        if (piece.title != "") {
+            exporter.Put(" \"");
+            exporter.Put(piece.title);
+            exporter.Put('"');
+        }
+        exporter.Put(')');
+        if (link) {
+            exporter.Put("](");
+            exporter.Put(piece.link);
+            if (piece.title != "") {
+                exporter.Put(" \"");
+                exporter.Put(piece.title);
+                exporter.Put('"');
+            }
+            exporter.Put(')');
+        }
+    }
+}
+
+void TexoProducerMarkdown::Put(const TexoLink &piece)
+{
+    if (piece.text != "") {
+        exporter.Put('[');
+        exporter.Put(piece.text);
+        exporter.Put("](");
+        exporter.Put(piece.link);
+        if (piece.title != "") {
+            exporter.Put(" \"");
+            exporter.Put(piece.title);
+            exporter.Put('"');
+        }
+        exporter.Put(')');
+    }
+}
+
+void TexoProducerMarkdown::Put(const TexoLineBreak &piece)
+{
+    exporter.Put("\\\n");
+    newline = true;
+}
+
+void TexoProducerMarkdown::Put(const TexoHorizontalRule &piece)
+{
+    if (!newline) {
+        exporter.Put('\n');
+    }
+    exporter.Put("---\n");
+    newline = false;
+}