[ovs-dev] [PATCH ovn pipeline 1/6] json: New function json_string_escape().
Ben Pfaff
blp at nicira.com
Sat Apr 18 17:04:33 UTC 2015
This saves some cut-and-paste duplicated code elsewhere and will have
additional users in upcoming commits.
Signed-off-by: Ben Pfaff <blp at nicira.com>
---
lib/json.c | 12 +++++++++++-
lib/json.h | 3 ++-
ovn/lib/expr.c | 12 +-----------
ovn/lib/lex.c | 16 ++--------------
4 files changed, 16 insertions(+), 27 deletions(-)
diff --git a/lib/json.c b/lib/json.c
index f004771..11cf038 100644
--- a/lib/json.c
+++ b/lib/json.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2009, 2010, 2011, 2012, 2014 Nicira, Inc.
+ * Copyright (c) 2009, 2010, 2011, 2012, 2014, 2015 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -879,6 +879,16 @@ exit:
return ok;
}
+void
+json_string_escape(const char *in, struct ds *out)
+{
+ struct json json = {
+ .type = JSON_STRING,
+ .u.string = CONST_CAST(char *, in),
+ };
+ json_to_ds(&json, 0, out);
+}
+
static void
json_parser_input_string(struct json_parser *p, const char *s)
{
diff --git a/lib/json.h b/lib/json.h
index cfe9457..3497035 100644
--- a/lib/json.h
+++ b/lib/json.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2009, 2010 Nicira, Inc.
+ * Copyright (c) 2009, 2010, 2015 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -131,6 +131,7 @@ void json_to_ds(const struct json *, int flags, struct ds *);
/* JSON string formatting operations. */
bool json_string_unescape(const char *in, size_t in_len, char **outp);
+void json_string_escape(const char *in, struct ds *out);
#ifdef __cplusplus
}
diff --git a/ovn/lib/expr.c b/ovn/lib/expr.c
index 507f34b..fb9b1cf 100644
--- a/ovn/lib/expr.c
+++ b/ovn/lib/expr.c
@@ -283,16 +283,6 @@ find_bitwise_range(const union mf_subvalue *sv, int width,
}
static void
-expr_format_string(const char *s, struct ds *ds)
-{
- struct json json = {
- .type = JSON_STRING,
- .u.string = CONST_CAST(char *, s),
- };
- json_to_ds(&json, 0, ds);
-}
-
-static void
expr_format_cmp(const struct expr *e, struct ds *s)
{
/* The common case is numerical comparisons.
@@ -300,7 +290,7 @@ expr_format_cmp(const struct expr *e, struct ds *s)
if (!e->cmp.symbol->width) {
ds_put_format(s, "%s %s ", e->cmp.symbol->name,
expr_relop_to_string(e->cmp.relop));
- expr_format_string(e->cmp.string, s);
+ json_string_escape(e->cmp.string, s);
return;
}
diff --git a/ovn/lib/lex.c b/ovn/lib/lex.c
index 96aa359..824c0bc 100644
--- a/ovn/lib/lex.c
+++ b/ovn/lib/lex.c
@@ -128,16 +128,6 @@ lex_token_format_masked_integer(const struct lex_token *token, struct ds *s)
}
}
-static void
-lex_token_format_string(const char *s, struct ds *ds)
-{
- struct json json = {
- .type = JSON_STRING,
- .u.string = CONST_CAST(char *, s),
- };
- json_to_ds(&json, 0, ds);
-}
-
/* Appends a string representation of 'token' to 's', in a format that can be
* losslessly parsed back by the lexer. (LEX_T_END and LEX_T_ERROR can't be
* parsed back.) */
@@ -155,14 +145,12 @@ lex_token_format(struct lex_token *token, struct ds *s)
case LEX_T_ERROR:
ds_put_cstr(s, "error(");
- lex_token_format_string(token->s, s);
+ json_string_escape(token->s, s);
ds_put_char(s, ')');
break;
case LEX_T_STRING:
- lex_token_format_string(token->s, s);
- break;
-
+ json_string_escape(token->s, s);
break;
case LEX_T_INTEGER:
--
2.1.3
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