1 files changed, 43 insertions, 19 deletions
diff --git a/ext/json/generator/generator.c b/ext/json/generator/generator.c
index 8f7c57e042..efb6b4a0a2 100644
--- a/ext/json/generator/generator.c
+++ b/ext/json/generator/generator.c
@@ -16,7 +16,7 @@ static ID i_to_s, i_to_json, i_new, i_indent, i_space, i_space_before,
           i_object_nl, i_array_nl, i_max_nesting, i_allow_nan, i_ascii_only,
           i_pack, i_unpack, i_create_id, i_extend, i_key_p,
           i_aref, i_send, i_respond_to_p, i_match, i_keys, i_depth,
-          i_buffer_initial_length, i_dup, i_escape_slash;
+          i_buffer_initial_length, i_dup, i_script_safe, i_escape_slash;
 
 /*
  * Copyright 2001-2004 Unicode, Inc.
@@ -124,7 +124,7 @@ static void unicode_escape_to_buffer(FBuffer *buffer, char buf[6], UTF16
 
 /* Converts string to a JSON string in FBuffer buffer, where all but the ASCII
  * and control characters are JSON escaped. */
-static void convert_UTF8_to_JSON_ASCII(FBuffer *buffer, VALUE string, char escape_slash)
+static void convert_UTF8_to_JSON_ASCII(FBuffer *buffer, VALUE string, char script_safe)
 {
     const UTF8 *source = (UTF8 *) RSTRING_PTR(string);
     const UTF8 *sourceEnd = source + RSTRING_LEN(string);
@@ -175,7 +175,7 @@ static void convert_UTF8_to_JSON_ASCII(FBuffer *buffer, VALUE string, char escap
                             fbuffer_append(buffer, "\\\"", 2);
                             break;
                         case '/':
-                            if(escape_slash) {
+                            if(script_safe) {
                                 fbuffer_append(buffer, "\\/", 2);
                                 break;
                             }
@@ -228,7 +228,7 @@ static void convert_UTF8_to_JSON_ASCII(FBuffer *buffer, VALUE string, char escap
  * characters required by the JSON standard are JSON escaped. The remaining
  * characters (should be UTF8) are just passed through and appended to the
  * result. */
-static void convert_UTF8_to_JSON(FBuffer *buffer, VALUE string, char escape_slash)
+static void convert_UTF8_to_JSON(FBuffer *buffer, VALUE string, char script_safe)
 {
     const char *ptr = RSTRING_PTR(string), *p;
     unsigned long len = RSTRING_LEN(string), start = 0, end = 0;
@@ -280,7 +280,7 @@ static void convert_UTF8_to_JSON(FBuffer *buffer, VALUE string, char escape_slas
                     escape_len = 2;
                     break;
                 case '/':
-                    if(escape_slash) {
+                    if(script_safe) {
                         escape = "\\/";
                         escape_len = 2;
                         break;
@@ -294,6 +294,22 @@ static void convert_UTF8_to_JSON(FBuffer *buffer, VALUE string, char escape_slas
                                 rb_raise(rb_path2class("JSON::GeneratorError"),
                                         "partial character in source, but hit end");
                             }
+
+                            if (script_safe && c == 0xE2) {
+                                unsigned char c2 = (unsigned char) *(p+1);
+                                unsigned char c3 = (unsigned char) *(p+2);
+                                if (c2 == 0x80 && (c3 == 0xA8 || c3 == 0xA9)) {
+                                    fbuffer_append(buffer, ptr + start, end - start);
+                                    start = end = (end + clen);
+                                    if (c3 == 0xA8) {
+                                        fbuffer_append(buffer, "\\u2028", 6);
+                                    } else {
+                                        fbuffer_append(buffer, "\\u2029", 6);
+                                    }
+                                    continue;
+                                }
+                            }
+
                             if (!isLegalUTF8((UTF8 *) p, clen)) {
                                 rb_raise(rb_path2class("JSON::GeneratorError"),
                                         "source sequence is illegal/malformed utf-8");
@@ -727,8 +743,12 @@ static VALUE cState_configure(VALUE self, VALUE opts)
     state->allow_nan = RTEST(tmp);
     tmp = rb_hash_aref(opts, ID2SYM(i_ascii_only));
     state->ascii_only = RTEST(tmp);
-    tmp = rb_hash_aref(opts, ID2SYM(i_escape_slash));
-    state->escape_slash = RTEST(tmp);
+    tmp = rb_hash_aref(opts, ID2SYM(i_script_safe));
+    state->script_safe = RTEST(tmp);
+    if (!state->script_safe) {
+        tmp = rb_hash_aref(opts, ID2SYM(i_escape_slash));
+        state->script_safe = RTEST(tmp);
+    }
     return self;
 }
 
@@ -763,7 +783,7 @@ static VALUE cState_to_h(VALUE self)
     rb_hash_aset(result, ID2SYM(i_allow_nan), state->allow_nan ? Qtrue : Qfalse);
     rb_hash_aset(result, ID2SYM(i_ascii_only), state->ascii_only ? Qtrue : Qfalse);
     rb_hash_aset(result, ID2SYM(i_max_nesting), LONG2FIX(state->max_nesting));
-    rb_hash_aset(result, ID2SYM(i_escape_slash), state->escape_slash ? Qtrue : Qfalse);
+    rb_hash_aset(result, ID2SYM(i_script_safe), state->script_safe ? Qtrue : Qfalse);
     rb_hash_aset(result, ID2SYM(i_depth), LONG2FIX(state->depth));
     rb_hash_aset(result, ID2SYM(i_buffer_initial_length), LONG2FIX(state->buffer_initial_length));
     return result;
@@ -948,9 +968,9 @@ static void generate_json_string(FBuffer *buffer, VALUE Vstate, JSON_Generator_S
     }
 #endif
     if (state->ascii_only) {
-        convert_UTF8_to_JSON_ASCII(buffer, obj, state->escape_slash);
+        convert_UTF8_to_JSON_ASCII(buffer, obj, state->script_safe);
     } else {
-        convert_UTF8_to_JSON(buffer, obj, state->escape_slash);
+        convert_UTF8_to_JSON(buffer, obj, state->script_safe);
     }
     fbuffer_append_char(buffer, '"');
 }
@@ -1391,27 +1411,27 @@ static VALUE cState_max_nesting_set(VALUE self, VALUE depth)
 }
 
 /*
- * call-seq: escape_slash
+ * call-seq: script_safe
  *
  * If this boolean is true, the forward slashes will be escaped in
  * the json output.
  */
-static VALUE cState_escape_slash(VALUE self)
+static VALUE cState_script_safe(VALUE self)
 {
     GET_STATE(self);
-    return state->escape_slash ? Qtrue : Qfalse;
+    return state->script_safe ? Qtrue : Qfalse;
 }
 
 /*
- * call-seq: escape_slash=(depth)
+ * call-seq: script_safe=(depth)
  *
  * This sets whether or not the forward slashes will be escaped in
  * the json output.
  */
-static VALUE cState_escape_slash_set(VALUE self, VALUE enable)
+static VALUE cState_script_safe_set(VALUE self, VALUE enable)
 {
     GET_STATE(self);
-    state->escape_slash = RTEST(enable);
+    state->script_safe = RTEST(enable);
     return Qnil;
 }
 
@@ -1531,9 +1551,12 @@ void Init_generator(void)
     rb_define_method(cState, "array_nl=", cState_array_nl_set, 1);
     rb_define_method(cState, "max_nesting", cState_max_nesting, 0);
     rb_define_method(cState, "max_nesting=", cState_max_nesting_set, 1);
-    rb_define_method(cState, "escape_slash", cState_escape_slash, 0);
-    rb_define_method(cState, "escape_slash?", cState_escape_slash, 0);
-    rb_define_method(cState, "escape_slash=", cState_escape_slash_set, 1);
+    rb_define_method(cState, "script_safe", cState_script_safe, 0);
+    rb_define_method(cState, "script_safe?", cState_script_safe, 0);
+    rb_define_method(cState, "script_safe=", cState_script_safe_set, 1);
+    rb_define_alias(cState, "escape_slash", "script_safe");
+    rb_define_alias(cState, "escape_slash?", "script_safe?");
+    rb_define_alias(cState, "escape_slash=", "script_safe=");
     rb_define_method(cState, "check_circular?", cState_check_circular_p, 0);
     rb_define_method(cState, "allow_nan?", cState_allow_nan_p, 0);
     rb_define_method(cState, "ascii_only?", cState_ascii_only_p, 0);
@@ -1590,6 +1613,7 @@ void Init_generator(void)
     i_object_nl = rb_intern("object_nl");
     i_array_nl = rb_intern("array_nl");
     i_max_nesting = rb_intern("max_nesting");
+    i_script_safe = rb_intern("script_safe");
     i_escape_slash = rb_intern("escape_slash");
     i_allow_nan = rb_intern("allow_nan");
     i_ascii_only = rb_intern("ascii_only");