/* quotearg.c - quote arguments for output
Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007,
- 2008 Free Software Foundation, Inc.
+ 2008, 2009 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
/* Quote the characters indicated by this bit vector even if the
quoting style would not normally require them to be quoted. */
unsigned int quote_these_too[(UCHAR_MAX / INT_BITS) + 1];
+
+ /* The left quote for custom_quoting_style. */
+ char const *left_quote;
+
+ /* The right quote for custom_quoting_style. */
+ char const *right_quote;
};
/* Names of quoting styles. */
return r;
}
+void
+set_custom_quoting (struct quoting_options *o,
+ char const *left_quote, char const *right_quote)
+{
+ if (!o)
+ o = &default_quoting_options;
+ o->style = custom_quoting_style;
+ if (!left_quote || !right_quote)
+ abort ();
+ o->left_quote = left_quote;
+ o->right_quote = right_quote;
+}
+
/* Return quoting options for STYLE, with no extra quoting. */
static struct quoting_options
quoting_options_from_style (enum quoting_style style)
quotearg_buffer_restyled (char *buffer, size_t buffersize,
char const *arg, size_t argsize,
enum quoting_style quoting_style, int flags,
- unsigned int const *quote_these_too)
+ unsigned int const *quote_these_too,
+ char const *left_quote,
+ char const *right_quote)
{
size_t i;
size_t len = 0;
case locale_quoting_style:
case clocale_quoting_style:
+ case custom_quoting_style:
{
- /* TRANSLATORS:
- Get translations for open and closing quotation marks.
-
- The message catalog should translate "`" to a left
- quotation mark suitable for the locale, and similarly for
- "'". If the catalog has no translation,
- locale_quoting_style quotes `like this', and
- clocale_quoting_style quotes "like this".
-
- For example, an American English Unicode locale should
- translate "`" to U+201C (LEFT DOUBLE QUOTATION MARK), and
- should translate "'" to U+201D (RIGHT DOUBLE QUOTATION
- MARK). A British English Unicode locale should instead
- translate these to U+2018 (LEFT SINGLE QUOTATION MARK) and
- U+2019 (RIGHT SINGLE QUOTATION MARK), respectively.
-
- If you don't know what to put here, please see
- <http://en.wikipedia.org/wiki/Quotation_mark#Glyphs>
- and use glyphs suitable for your language. */
-
- char const *left = gettext_quote (N_("`"), quoting_style);
- char const *right = gettext_quote (N_("'"), quoting_style);
+ if (quoting_style != custom_quoting_style)
+ {
+ /* TRANSLATORS:
+ Get translations for open and closing quotation marks.
+
+ The message catalog should translate "`" to a left
+ quotation mark suitable for the locale, and similarly for
+ "'". If the catalog has no translation,
+ locale_quoting_style quotes `like this', and
+ clocale_quoting_style quotes "like this".
+
+ For example, an American English Unicode locale should
+ translate "`" to U+201C (LEFT DOUBLE QUOTATION MARK), and
+ should translate "'" to U+201D (RIGHT DOUBLE QUOTATION
+ MARK). A British English Unicode locale should instead
+ translate these to U+2018 (LEFT SINGLE QUOTATION MARK)
+ and U+2019 (RIGHT SINGLE QUOTATION MARK), respectively.
+
+ If you don't know what to put here, please see
+ <http://en.wikipedia.org/wiki/Quotation_mark#Glyphs>
+ and use glyphs suitable for your language. */
+ left_quote = gettext_quote (N_("`"), quoting_style);
+ right_quote = gettext_quote (N_("'"), quoting_style);
+ }
if (!elide_outer_quotes)
- for (quote_string = left; *quote_string; quote_string++)
+ for (quote_string = left_quote; *quote_string; quote_string++)
STORE (*quote_string);
backslash_escapes = true;
- quote_string = right;
+ quote_string = right_quote;
quote_string_len = strlen (quote_string);
}
break;
{
unsigned char c;
unsigned char esc;
+ bool is_right_quote = false;
if (backslash_escapes
&& quote_string_len
{
if (elide_outer_quotes)
goto force_outer_quoting_style;
- STORE ('\\');
+ is_right_quote = true;
}
c = arg[i];
if (elide_outer_quotes)
goto force_outer_quoting_style;
STORE ('\\');
+ /* If quote_string were to begin with digits, we'd need to
+ test for the end of the arg as well. However, it's
+ hard to imagine any locale that would use digits in
+ quotes, and set_custom_quoting is documented not to
+ accept them. */
if (i + 1 < argsize && '0' <= arg[i + 1] && arg[i + 1] <= '9')
{
STORE ('0');
STORE ('0');
}
c = '0';
+ /* We don't have to worry that this last '0' will be
+ backslash-escaped because, again, quote_string should
+ not start with it and because quote_these_too is
+ documented as not accepting it. */
}
else if (flags & QA_ELIDE_NULL_BYTES)
continue;
case 'o': case 'p': case 'q': case 'r': case 's': case 't':
case 'u': case 'v': case 'w': case 'x': case 'y': case 'z':
/* These characters don't cause problems, no matter what the
- quoting style is. They cannot start multibyte sequences. */
+ quoting style is. They cannot start multibyte sequences.
+ A digit or a special letter would cause trouble if it
+ appeared at the beginning of quote_string because we'd then
+ escape by prepending a backslash. However, it's hard to
+ imagine any locale that would use digits or letters as
+ quotes, and set_custom_quoting is documented not to accept
+ them. Also, a digit or a special letter would cause
+ trouble if it appeared in quote_these_too, but that's also
+ documented as not accepting them. */
break;
default:
STORE ('0' + ((c >> 3) & 7));
c = '0' + (c & 7);
}
+ else if (is_right_quote)
+ {
+ STORE ('\\');
+ is_right_quote = false;
+ }
if (ilim <= i + 1)
break;
STORE (c);
if (! ((backslash_escapes || elide_outer_quotes)
&& quote_these_too
- && quote_these_too[c / INT_BITS] & (1 << (c % INT_BITS))))
+ && quote_these_too[c / INT_BITS] & (1 << (c % INT_BITS)))
+ && !is_right_quote)
goto store_c;
store_escape:
sufficiently quotes the specified characters. */
return quotearg_buffer_restyled (buffer, buffersize, arg, argsize,
quoting_style,
- flags & ~QA_ELIDE_OUTER_QUOTES, NULL);
+ flags & ~QA_ELIDE_OUTER_QUOTES, NULL,
+ left_quote, right_quote);
}
/* Place into buffer BUFFER (of size BUFFERSIZE) a quoted version of
struct quoting_options const *p = o ? o : &default_quoting_options;
int e = errno;
size_t r = quotearg_buffer_restyled (buffer, buffersize, arg, argsize,
- p->style, p->flags, p->quote_these_too);
+ p->style, p->flags, p->quote_these_too,
+ p->left_quote, p->right_quote);
errno = e;
return r;
}
/* Elide embedded null bytes if we can't return a size. */
int flags = p->flags | (size ? 0 : QA_ELIDE_NULL_BYTES);
size_t bufsize = quotearg_buffer_restyled (0, 0, arg, argsize, p->style,
- flags, p->quote_these_too) + 1;
+ flags, p->quote_these_too,
+ p->left_quote,
+ p->right_quote) + 1;
char *buf = xcharalloc (bufsize);
quotearg_buffer_restyled (buf, bufsize, arg, argsize, p->style, flags,
- p->quote_these_too);
+ p->quote_these_too,
+ p->left_quote, p->right_quote);
errno = e;
if (size)
*size = bufsize - 1;
int flags = options->flags | QA_ELIDE_NULL_BYTES;
size_t qsize = quotearg_buffer_restyled (val, size, arg, argsize,
options->style, flags,
- options->quote_these_too);
+ options->quote_these_too,
+ options->left_quote,
+ options->right_quote);
if (size <= qsize)
{
free (val);
sv[n].val = val = xcharalloc (size);
quotearg_buffer_restyled (val, size, arg, argsize, options->style,
- flags, options->quote_these_too);
+ flags, options->quote_these_too,
+ options->left_quote,
+ options->right_quote);
}
errno = e;
{
return quotearg_char_mem (arg, argsize, ':');
}
+
+char *
+quotearg_n_custom (int n, char const *left_quote,
+ char const *right_quote, char const *arg)
+{
+ return quotearg_n_custom_mem (n, left_quote, right_quote, arg,
+ SIZE_MAX);
+}
+
+char *
+quotearg_n_custom_mem (int n, char const *left_quote,
+ char const *right_quote,
+ char const *arg, size_t argsize)
+{
+ struct quoting_options o = default_quoting_options;
+ set_custom_quoting (&o, left_quote, right_quote);
+ return quotearg_n_options (n, arg, argsize, &o);
+}
+
+char *
+quotearg_custom (char const *left_quote, char const *right_quote,
+ char const *arg)
+{
+ return quotearg_n_custom (0, left_quote, right_quote, arg);
+}
+
+char *
+quotearg_custom_mem (char const *left_quote, char const *right_quote,
+ char const *arg, size_t argsize)
+{
+ return quotearg_n_custom_mem (0, left_quote, right_quote, arg,
+ argsize);
+}
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