[khmer] Add dump-khmer-data

5 files changed, 173 insertions, 97 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index b3be138d..f90b2ac2 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -353,11 +353,15 @@ endif
 
 check_PROGRAMS += \
 	dump-indic-data \
+	dump-khmer-data \
 	dump-myanmar-data \
 	$(NULL)
 dump_indic_data_SOURCES = dump-indic-data.cc hb-ot-shape-complex-indic-table.cc
 dump_indic_data_CPPFLAGS = $(HBCFLAGS)
 dump_indic_data_LDADD = libharfbuzz.la $(HBLIBS)
+dump_khmer_data_SOURCES = dump-khmer-data.cc hb-ot-shape-complex-indic-table.cc
+dump_khmer_data_CPPFLAGS = $(HBCFLAGS)
+dump_khmer_data_LDADD = libharfbuzz.la $(HBLIBS)
 dump_myanmar_data_SOURCES = dump-myanmar-data.cc hb-ot-shape-complex-indic-table.cc
 dump_myanmar_data_CPPFLAGS = $(HBCFLAGS)
 dump_myanmar_data_LDADD = libharfbuzz.la $(HBLIBS)
diff --git a/src/Makefile.sources b/src/Makefile.sources
index 376d543a..ec60ec0a 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -109,6 +109,7 @@ HB_OT_sources = \
 	hb-ot-shape-complex-indic.cc \
 	hb-ot-shape-complex-indic-private.hh \
 	hb-ot-shape-complex-indic-table.cc \
+	hb-ot-shape-complex-khmer-private.hh \
 	hb-ot-shape-complex-khmer.cc \
 	hb-ot-shape-complex-myanmar-private.hh \
 	hb-ot-shape-complex-myanmar.cc \
diff --git a/src/dump-khmer-data.cc b/src/dump-khmer-data.cc
new file mode 100644
index 00000000..7dd09b2b
--- /dev/null
+++ b/src/dump-khmer-data.cc
@@ -0,0 +1,43 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#include "hb-ot-shape-complex-khmer-private.hh"
+
+int
+main (void)
+{
+  for (hb_codepoint_t u = 0; u <= 0x10FFFF; u++)
+  {
+    hb_glyph_info_t info;
+    info.codepoint = u;
+    set_khmer_properties (info);
+    if (info.khmer_category() != INDIC_SYLLABIC_CATEGORY_OTHER ||
+	info.khmer_position() != INDIC_MATRA_CATEGORY_NOT_APPLICABLE)
+      printf("U+%04X	%u	%u\n", u,
+	     info.khmer_category(),
+	     info.khmer_position());
+  }
+}
diff --git a/src/hb-ot-shape-complex-khmer-private.hh b/src/hb-ot-shape-complex-khmer-private.hh
new file mode 100644
index 00000000..f90ef967
--- /dev/null
+++ b/src/hb-ot-shape-complex-khmer-private.hh
@@ -0,0 +1,124 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_SHAPE_COMPLEX_KHMER_PRIVATE_HH
+#define HB_OT_SHAPE_COMPLEX_KHMER_PRIVATE_HH
+
+#include "hb-private.hh"
+
+#include "hb-ot-shape-complex-indic-private.hh"
+
+
+/* buffer var allocations */
+#define khmer_category() indic_category() /* khmer_category_t */
+#define khmer_position() indic_position() /* khmer_position_t */
+
+
+typedef indic_category_t khmer_category_t;
+typedef indic_position_t khmer_position_t;
+
+
+static inline khmer_position_t
+matra_position_khmer (khmer_position_t side)
+{
+  switch ((int) side)
+  {
+    case POS_PRE_C:
+      return POS_PRE_M;
+
+    case POS_POST_C:
+    case POS_ABOVE_C:
+    case POS_BELOW_C:
+      return POS_AFTER_POST;
+
+    default:
+      return side;
+  };
+}
+
+static inline bool
+is_consonant_or_vowel (const hb_glyph_info_t &info)
+{
+  return is_one_of (info, CONSONANT_FLAGS | FLAG (OT_V));
+}
+
+static inline bool
+is_coeng (const hb_glyph_info_t &info)
+{
+  return is_one_of (info, FLAG (OT_Coeng));
+}
+
+static inline void
+set_khmer_properties (hb_glyph_info_t &info)
+{
+  hb_codepoint_t u = info.codepoint;
+  unsigned int type = hb_indic_get_categories (u);
+  khmer_category_t cat = (khmer_category_t) (type & 0x7Fu);
+  khmer_position_t pos = (khmer_position_t) (type >> 8);
+
+
+  /*
+   * Re-assign category
+   */
+
+  if (unlikely (u == 0x17C6u)) cat = OT_N; /* Khmer Bindu doesn't like to be repositioned. */
+  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x17CDu, 0x17D1u) ||
+		     u == 0x17CBu || u == 0x17D3u || u == 0x17DDu)) /* Khmer Various signs */
+  {
+    /* These can occur mid-syllable (eg. before matras), even though Unicode marks them as Syllable_Modifier.
+     * https://github.com/roozbehp/unicode-data/issues/5 */
+    cat = OT_M;
+    pos = POS_ABOVE_C;
+  }
+  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u))) cat = OT_PLACEHOLDER;
+  else if (unlikely (u == 0x25CCu)) cat = OT_DOTTEDCIRCLE;
+
+
+  /*
+   * Re-assign position.
+   */
+
+  if ((FLAG_UNSAFE (cat) & CONSONANT_FLAGS))
+  {
+    pos = POS_BASE_C;
+    if (u == 0x179Au)
+      cat = OT_Ra;
+  }
+  else if (cat == OT_M)
+  {
+    pos = matra_position_khmer (pos);
+  }
+  else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) | FLAG (OT_A) | FLAG (OT_Symbol))))
+  {
+    pos = POS_SMVD;
+  }
+
+  info.khmer_category() = cat;
+  info.khmer_position() = pos;
+}
+
+
+#endif /* HB_OT_SHAPE_COMPLEX_KHMER_PRIVATE_HH */
diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index 0e2ca88c..304879d8 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -24,105 +24,9 @@
  * Google Author(s): Behdad Esfahbod
  */
 
-#include "hb-ot-shape-complex-indic-private.hh"
+#include "hb-ot-shape-complex-khmer-private.hh"
 #include "hb-ot-layout-private.hh"
 
-/* buffer var allocations */
-#define khmer_category() indic_category() /* khmer_category_t */
-#define khmer_position() indic_position() /* khmer_position_t */
-
-
-/*
- * Khmer shaper.
- */
-
-typedef indic_category_t khmer_category_t;
-typedef indic_position_t khmer_position_t;
-
-
-static inline khmer_position_t
-matra_position_khmer (khmer_position_t side)
-{
-  switch ((int) side)
-  {
-    case POS_PRE_C:
-      return POS_PRE_M;
-
-    case POS_POST_C:
-    case POS_ABOVE_C:
-    case POS_BELOW_C:
-      return POS_AFTER_POST;
-
-    default:
-      return side;
-  };
-}
-
-static inline bool
-is_consonant_or_vowel (const hb_glyph_info_t &info)
-{
-  return is_one_of (info, CONSONANT_FLAGS | FLAG (OT_V));
-}
-
-static inline bool
-is_coeng (const hb_glyph_info_t &info)
-{
-  return is_one_of (info, FLAG (OT_Coeng));
-}
-
-static inline void
-set_khmer_properties (hb_glyph_info_t &info)
-{
-  hb_codepoint_t u = info.codepoint;
-  unsigned int type = hb_indic_get_categories (u);
-  khmer_category_t cat = (khmer_category_t) (type & 0x7Fu);
-  khmer_position_t pos = (khmer_position_t) (type >> 8);
-
-
-  /*
-   * Re-assign category
-   */
-
-  if (unlikely (u == 0x17C6u)) cat = OT_N; /* Khmer Bindu doesn't like to be repositioned. */
-  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x17CDu, 0x17D1u) ||
-		     u == 0x17CBu || u == 0x17D3u || u == 0x17DDu)) /* Khmer Various signs */
-  {
-    /* These can occur mid-syllable (eg. before matras), even though Unicode marks them as Syllable_Modifier.
-     * https://github.com/roozbehp/unicode-data/issues/5 */
-    cat = OT_M;
-    pos = POS_ABOVE_C;
-  }
-  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u))) cat = OT_PLACEHOLDER;
-  else if (unlikely (u == 0x25CCu)) cat = OT_DOTTEDCIRCLE;
-
-
-  /*
-   * Re-assign position.
-   */
-
-  if ((FLAG_UNSAFE (cat) & CONSONANT_FLAGS))
-  {
-    pos = POS_BASE_C;
-    if (u == 0x179Au)
-      cat = OT_Ra;
-  }
-  else if (cat == OT_M)
-  {
-    pos = matra_position_khmer (pos);
-  }
-  else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) | FLAG (OT_A) | FLAG (OT_Symbol))))
-  {
-    pos = POS_SMVD;
-  }
-
-  info.khmer_category() = cat;
-  info.khmer_position() = pos;
-}
-
-/*
- * Things above this line should ideally be moved to the Indic table itself.
- */
-
 
 /*
  * Khmer shaper.