From f1c70f33ebdb5571b102c890bd01d455f19a1666 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se>
Date: Thu, 31 Oct 2002 19:17:45 +0100
Subject: [PATCH] * examples/sexp-conv.c (sexp_get_quoted_string): Deleted
function. Merged with sexp_get_String. (sexp_get_hex_string): Likewise.
(sexp_get_base64_string): Likewise. (sexp_get_string): Do hex and base64
decoding.
Rev: src/nettle/examples/sexp-conv.c:1.13
---
examples/sexp-conv.c | 131 +++++++++++++++++++++----------------------
1 file changed, 64 insertions(+), 67 deletions(-)
diff --git a/examples/sexp-conv.c b/examples/sexp-conv.c
index 396f03fd..2b197278 100644
--- a/examples/sexp-conv.c
+++ b/examples/sexp-conv.c
@@ -220,28 +220,6 @@ sexp_input_end_coding(struct sexp_input *input)
input->coding = NULL;
}
-static const char
-token_chars[0x80] =
- {
- /* 0, ... 0x1f */
- 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
- 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
- /* SPC ! " # $ % & ' ( ) * + , - . / */
- 0,0,0,0,0,0,0,0, 0,0,1,1,0,1,1,1,
- /* 0 1 2 3 4 5 6 7 8 9 : ; < = > ? */
- 1,1,1,1,1,1,1,1, 1,1,1,0,0,1,0,0,
- /* @ A ... O */
- 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
- /* P ... Z [ \ ] ^ _ */
- 1,1,1,1,1,1,1,1, 1,1,1,0,0,0,0,1,
- /* ` a, ... o */
- 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
- /* p ... z { | } ~ DEL */
- 1,1,1,1,1,1,1,1, 1,1,1,0,0,0,0,0,
- };
-
-#define TOKEN_CHAR(c) ((c) < 0x80 && token_chars[(c)])
-
/* Return 0 at end-of-string */
static int
@@ -286,46 +264,28 @@ sexp_get_quoted_char(struct sexp_input *input)
}
}
-static void
-sexp_get_quoted_string(struct sexp_input *input)
-{
- assert(!input->coding);
-
- while (sexp_get_quoted_char(input))
- sexp_push_char(input);
-
- sexp_get_char(input);
-}
-
-static void
-sexp_get_hex_string(struct sexp_input *input)
-{
- /* Not implemented */
- abort();
-}
-static void
-sexp_get_base64_string(struct sexp_input *input)
-{
- sexp_input_start_coding(input, &nettle_base64, '|');
+static const char
+token_chars[0x80] =
+ {
+ /* 0, ... 0x1f */
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+/* SPC ! " # $ % & ' ( ) * + , - . / */
+ 0,0,0,0,0,0,0,0, 0,0,1,1,0,1,1,1,
+ /* 0 1 2 3 4 5 6 7 8 9 : ; < = > ? */
+ 1,1,1,1,1,1,1,1, 1,1,1,0,0,1,0,0,
+ /* @ A ... O */
+ 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ /* P ... Z [ \ ] ^ _ */
+ 1,1,1,1,1,1,1,1, 1,1,1,0,0,0,0,1,
+ /* ` a, ... o */
+ 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ /* p ... z { | } ~ DEL */
+ 1,1,1,1,1,1,1,1, 1,1,1,0,0,0,0,0,
+ };
- for (;;)
- {
- sexp_get_char(input);
- switch (input->ctype)
- {
- case SEXP_NORMAL_CHAR:
- sexp_push_char(input);
- break;
- case SEXP_EOF_CHAR:
- die("Unexpected end of file in base64 string.\n");
- case SEXP_END_CHAR:
- sexp_input_end_coding(input);
- sexp_get_char(input);
- return;
- }
- }
-}
+#define TOKEN_CHAR(c) ((c) < 0x80 && token_chars[(c)])
static void
sexp_get_token_string(struct sexp_input *input)
@@ -355,15 +315,37 @@ sexp_get_string(struct sexp_input *input)
switch (input->c)
{
case '\"':
- sexp_get_quoted_string(input);
+ while (sexp_get_quoted_char(input))
+ sexp_push_char(input);
+
+ sexp_get_char(input);
break;
case '#':
- sexp_get_hex_string(input);
- break;;
+ sexp_input_start_coding(input, &nettle_base16, '#');
+ goto decode;
case '|':
- sexp_get_base64_string(input);
+ sexp_input_start_coding(input, &nettle_base64, '|');
+
+ decode:
+ for (;;)
+ {
+ sexp_get_char(input);
+ switch (input->ctype)
+ {
+ case SEXP_NORMAL_CHAR:
+ sexp_push_char(input);
+ break;
+ case SEXP_EOF_CHAR:
+ die("Unexpected end of file in coded string.\n");
+ case SEXP_END_CHAR:
+ sexp_input_end_coding(input);
+ sexp_get_char(input);
+ return;
+ }
+ }
+
break;
default:
@@ -430,10 +412,26 @@ sexp_get_string_length(struct sexp_input *input, enum sexp_mode mode)
break;
case '#':
+ sexp_input_start_coding(input, &nettle_base16, '#');
+ goto decode;
+
case '|':
- /* Not yet implemented */
- abort();
+ sexp_input_start_coding(input, &nettle_base64, '|');
+ decode:
+ for (; length; length--)
+ {
+ sexp_next_char(input);
+ sexp_push_char(input);
+ }
+ sexp_get_char(input);
+ if (input->ctype != SEXP_END_CHAR)
+ die("Coded string too long.\n");
+
+ sexp_input_end_coding(input);
+
+ break;
+
default:
die("Invalid string.\n");
}
@@ -792,7 +790,6 @@ sexp_convert_list(struct sexp_input *input, enum sexp_mode mode_in,
{
sexp_get_token(input, mode_in);
- /* FIXME: Fix interface so that we consume the list end token. */
if (input->token == SEXP_LIST_END)
{
sexp_put_list_end(output);
--
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