#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include "message.h"
#include "xgettext.h"
#include "x-php.h"
#include "error.h"
#include "xalloc.h"
#include "exit.h"
#include "gettext.h"
#define _(s) gettext(s)
static bool extract_all = false;
static hash_table keywords;
static bool default_keywords = true;
void
x_php_extract_all ()
{
extract_all = true;
}
void
x_php_keyword (const char *name)
{
if (name == NULL)
default_keywords = false;
else
{
const char *end;
int argnum1;
int argnum2;
const char *colon;
if (keywords.table == NULL)
init_hash (&keywords, 100);
split_keywordspec (name, &end, &argnum1, &argnum2);
colon = strchr (name, ':');
if (colon == NULL || colon >= end)
{
if (argnum1 == 0)
argnum1 = 1;
insert_entry (&keywords, name, end - name,
(void *) (long) (argnum1 + (argnum2 << 10)));
}
}
}
static void
init_keywords ()
{
if (default_keywords)
{
x_php_keyword ("_");
x_php_keyword ("gettext");
x_php_keyword ("dgettext:2");
x_php_keyword ("dcgettext:2");
x_php_keyword ("ngettext:1,2");
x_php_keyword ("dngettext:2,3");
x_php_keyword ("dcngettext:2,3");
default_keywords = false;
}
}
void
init_flag_table_php ()
{
xgettext_record_flag ("_:1:pass-php-format");
xgettext_record_flag ("gettext:1:pass-php-format");
xgettext_record_flag ("dgettext:2:pass-php-format");
xgettext_record_flag ("dcgettext:2:pass-php-format");
xgettext_record_flag ("ngettext:1:pass-php-format");
xgettext_record_flag ("ngettext:2:pass-php-format");
xgettext_record_flag ("dngettext:2:pass-php-format");
xgettext_record_flag ("dngettext:3:pass-php-format");
xgettext_record_flag ("dcngettext:2:pass-php-format");
xgettext_record_flag ("dcngettext:3:pass-php-format");
xgettext_record_flag ("sprintf:1:php-format");
xgettext_record_flag ("printf:1:php-format");
}
static const char *real_file_name;
static char *logical_file_name;
static int line_number;
static FILE *fp;
static unsigned char phase1_pushback[4];
static int phase1_pushback_length;
static int
phase1_getc ()
{
int c;
if (phase1_pushback_length)
c = phase1_pushback[--phase1_pushback_length];
else
{
c = getc (fp);
if (c == EOF)
{
if (ferror (fp))
error (EXIT_FAILURE, errno, _("error while reading \"%s\""),
real_file_name);
return EOF;
}
}
if (c == '\n')
line_number++;
return c;
}
static void
phase1_ungetc (int c)
{
if (c != EOF)
{
if (c == '\n')
--line_number;
phase1_pushback[phase1_pushback_length++] = c;
}
}
static void
skip_html ()
{
for (;;)
{
int c = phase1_getc ();
if (c == EOF)
return;
if (c == '<')
{
int c2 = phase1_getc ();
if (c2 == EOF)
break;
if (c2 == '?')
{
int c3 = phase1_getc ();
if (c3 != '=')
phase1_ungetc (c3);
return;
}
if (c2 == '%')
{
int c3 = phase1_getc ();
if (c3 != '=')
phase1_ungetc (c3);
return;
}
if (c2 == '<')
{
phase1_ungetc (c2);
continue;
}
while (c2 == ' ' || c2 == '\t' || c2 == '\n' || c2 == '\r')
c2 = phase1_getc ();
if (c2 != 's' && c2 != 'S')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 'c' && c2 != 'C')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 'r' && c2 != 'R')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 'i' && c2 != 'I')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 'p' && c2 != 'P')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 't' && c2 != 'T')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (!(c2 == ' ' || c2 == '\t' || c2 == '\n' || c2 == '\r'))
{
phase1_ungetc (c2);
continue;
}
do
c2 = phase1_getc ();
while (c2 == ' ' || c2 == '\t' || c2 == '\n' || c2 == '\r');
if (c2 != 'l' && c2 != 'L')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 'a' && c2 != 'A')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 'n' && c2 != 'N')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 'g' && c2 != 'G')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 'u' && c2 != 'U')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 'a' && c2 != 'A')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 'g' && c2 != 'G')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 'e' && c2 != 'E')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
while (c2 == ' ' || c2 == '\t' || c2 == '\n' || c2 == '\r')
c2 = phase1_getc ();
if (c2 != '=')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
while (c2 == ' ' || c2 == '\t' || c2 == '\n' || c2 == '\r')
c2 = phase1_getc ();
if (c2 == '"')
{
c2 = phase1_getc ();
if (c2 != 'p')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 'h')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 'p')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != '"')
{
phase1_ungetc (c2);
continue;
}
}
else if (c2 == '\'')
{
c2 = phase1_getc ();
if (c2 != 'p')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 'h')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 'p')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != '\'')
{
phase1_ungetc (c2);
continue;
}
}
else
{
if (c2 != 'p')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 'h')
{
phase1_ungetc (c2);
continue;
}
c2 = phase1_getc ();
if (c2 != 'p')
{
phase1_ungetc (c2);
continue;
}
}
c2 = phase1_getc ();
while (c2 == ' ' || c2 == '\t' || c2 == '\n' || c2 == '\r')
c2 = phase1_getc ();
if (c2 != '>')
{
phase1_ungetc (c2);
continue;
}
return;
}
}
}
#if 0
static unsigned char phase2_pushback[1];
static int phase2_pushback_length;
static int
phase2_getc ()
{
int c;
if (phase2_pushback_length)
return phase2_pushback[--phase2_pushback_length];
c = phase1_getc ();
switch (c)
{
case '?':
case '%':
{
int c2 = phase1_getc ();
if (c2 == '>')
{
skip_html ();
return ' ';
}
phase1_ungetc (c2);
}
break;
case '<':
{
int c2 = phase1_getc ();
while (c2 == ' ' || c2 == '\t' || c2 == '\n' || c2 == '\r')
c2 = phase1_getc ();
if (c2 == '/')
{
do
c2 = phase1_getc ();
while (c2 == ' ' || c2 == '\t' || c2 == '\n' || c2 == '\r');
if (c2 == 's' || c2 == 'S')
{
c2 = phase1_getc ();
if (c2 == 'c' || c2 == 'C')
{
c2 = phase1_getc ();
if (c2 == 'r' || c2 == 'R')
{
c2 = phase1_getc ();
if (c2 == 'i' || c2 == 'I')
{
c2 = phase1_getc ();
if (c2 == 'p' || c2 == 'P')
{
c2 = phase1_getc ();
if (c2 == 't' || c2 == 'T')
{
do
c2 = phase1_getc ();
while (c2 == ' ' || c2 == '\t'
|| c2 == '\n' || c2 == '\r');
if (c2 == '>')
{
skip_html ();
return ' ';
}
}
}
}
}
}
}
}
phase1_ungetc (c2);
}
break;
}
return c;
}
static void
phase2_ungetc (int c)
{
if (c != EOF)
phase2_pushback[phase2_pushback_length++] = c;
}
#endif
static char *buffer;
static size_t bufmax;
static size_t buflen;
static inline void
comment_start ()
{
buflen = 0;
}
static inline void
comment_add (int c)
{
if (buflen >= bufmax)
{
bufmax = 2 * bufmax + 10;
buffer = xrealloc (buffer, bufmax);
}
buffer[buflen++] = c;
}
static inline void
comment_line_end (size_t chars_to_remove)
{
buflen -= chars_to_remove;
while (buflen >= 1
&& (buffer[buflen - 1] == ' ' || buffer[buflen - 1] == '\t'))
--buflen;
if (chars_to_remove == 0 && buflen >= bufmax)
{
bufmax = 2 * bufmax + 10;
buffer = xrealloc (buffer, bufmax);
}
buffer[buflen] = '\0';
xgettext_comment_add (buffer);
}
static int last_comment_line;
static int last_non_comment_line;
static unsigned char phase3_pushback[1];
static int phase3_pushback_length;
static int
phase3_getc ()
{
int lineno;
int c;
if (phase3_pushback_length)
return phase3_pushback[--phase3_pushback_length];
c = phase1_getc ();
if (c == '#')
{
bool last_was_qmark = false;
comment_start ();
lineno = line_number;
for (;;)
{
c = phase1_getc ();
if (c == '\n' || c == EOF)
{
comment_line_end (0);
break;
}
if (last_was_qmark && c == '>')
{
comment_line_end (1);
skip_html ();
break;
}
if (!(buflen == 0 && (c == ' ' || c == '\t')))
comment_add (c);
last_was_qmark = (c == '?' || c == '%');
}
last_comment_line = lineno;
return '\n';
}
else if (c == '/')
{
c = phase1_getc ();
switch (c)
{
default:
phase1_ungetc (c);
return '/';
case '*':
{
bool last_was_star;
comment_start ();
lineno = line_number;
last_was_star = false;
for (;;)
{
c = phase1_getc ();
if (c == EOF)
break;
if (buflen == 0 && (c == ' ' || c == '\t'))
continue;
comment_add (c);
switch (c)
{
case '\n':
comment_line_end (1);
comment_start ();
lineno = line_number;
last_was_star = false;
continue;
case '*':
last_was_star = true;
continue;
case '/':
if (last_was_star)
{
comment_line_end (2);
break;
}
default:
last_was_star = false;
continue;
}
break;
}
last_comment_line = lineno;
return ' ';
}
case '/':
{
bool last_was_qmark = false;
comment_start ();
lineno = line_number;
for (;;)
{
c = phase1_getc ();
if (c == '\n' || c == EOF)
{
comment_line_end (0);
break;
}
if (last_was_qmark && c == '>')
{
comment_line_end (1);
skip_html ();
break;
}
if (!(buflen == 0 && (c == ' ' || c == '\t')))
comment_add (c);
last_was_qmark = (c == '?' || c == '%');
}
last_comment_line = lineno;
return '\n';
}
}
}
else
return c;
}
#ifdef unused
static void
phase3_ungetc (int c)
{
if (c != EOF)
phase3_pushback[phase3_pushback_length++] = c;
}
#endif
enum token_type_ty
{
token_type_eof,
token_type_lparen,
token_type_rparen,
token_type_comma,
token_type_string_literal,
token_type_symbol,
token_type_other
};
typedef enum token_type_ty token_type_ty;
typedef struct token_ty token_ty;
struct token_ty
{
token_type_ty type;
char *string;
int line_number;
};
static inline void
free_token (token_ty *tp)
{
if (tp->type == token_type_string_literal || tp->type == token_type_symbol)
free (tp->string);
}
static void
x_php_lex (token_ty *tp)
{
static char *buffer;
static int bufmax;
int bufpos;
int c;
tp->string = NULL;
for (;;)
{
tp->line_number = line_number;
c = phase3_getc ();
switch (c)
{
case EOF:
tp->type = token_type_eof;
return;
case '\n':
if (last_non_comment_line > last_comment_line)
xgettext_comment_reset ();
case ' ':
case '\t':
case '\r':
continue;
}
last_non_comment_line = tp->line_number;
switch (c)
{
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
case 'V': case 'W': case 'X': case 'Y': case 'Z':
case '_':
case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
case 'v': case 'w': case 'x': case 'y': case 'z':
bufpos = 0;
for (;;)
{
if (bufpos >= bufmax)
{
bufmax = 2 * bufmax + 10;
buffer = xrealloc (buffer, bufmax);
}
buffer[bufpos++] = c;
c = phase1_getc ();
switch (c)
{
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
case 'Y': case 'Z':
case '_':
case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
case 'g': case 'h': case 'i': case 'j': case 'k': case 'l':
case 'm': case 'n': case 'o': case 'p': case 'q': case 'r':
case 's': case 't': case 'u': case 'v': case 'w': case 'x':
case 'y': case 'z':
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
continue;
default:
phase1_ungetc (c);
break;
}
break;
}
if (bufpos >= bufmax)
{
bufmax = 2 * bufmax + 10;
buffer = xrealloc (buffer, bufmax);
}
buffer[bufpos] = 0;
tp->string = xstrdup (buffer);
tp->type = token_type_symbol;
return;
case '\'':
bufpos = 0;
for (;;)
{
c = phase1_getc ();
if (c == EOF || c == '\'')
break;
if (c == '\\')
{
c = phase1_getc ();
if (c != '\\' && c != '\'')
{
phase1_ungetc (c);
c = '\\';
}
}
if (bufpos >= bufmax)
{
bufmax = 2 * bufmax + 10;
buffer = xrealloc (buffer, bufmax);
}
buffer[bufpos++] = c;
}
if (bufpos >= bufmax)
{
bufmax = 2 * bufmax + 10;
buffer = xrealloc (buffer, bufmax);
}
buffer[bufpos] = 0;
tp->type = token_type_string_literal;
tp->string = xstrdup (buffer);
return;
case '"':
tp->type = token_type_string_literal;
bufpos = 0;
for (;;)
{
c = phase1_getc ();
if (c == EOF || c == '"')
break;
if (c == '$')
{
c = phase1_getc ();
if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')
|| c == '_' || c == '{' || c >= 0x7f)
{
tp->type = token_type_other;
continue;
}
phase1_ungetc (c);
c = '$';
}
if (c == '{')
{
c = phase1_getc ();
if (c == '$')
{
tp->type = token_type_other;
continue;
}
phase1_ungetc (c);
c = '{';
}
if (c == '\\')
{
int n, j;
c = phase1_getc ();
switch (c)
{
case '"':
case '\\':
case '$':
break;
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
n = 0;
for (j = 0; j < 3; ++j)
{
n = n * 8 + c - '0';
c = phase1_getc ();
switch (c)
{
default:
break;
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
continue;
}
break;
}
phase1_ungetc (c);
c = n;
break;
case 'x':
n = 0;
for (j = 0; j < 2; ++j)
{
c = phase1_getc ();
switch (c)
{
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
n = n * 16 + c - '0';
break;
case 'A': case 'B': case 'C': case 'D': case 'E':
case 'F':
n = n * 16 + 10 + c - 'A';
break;
case 'a': case 'b': case 'c': case 'd': case 'e':
case 'f':
n = n * 16 + 10 + c - 'a';
break;
default:
phase1_ungetc (c);
c = 0;
break;
}
if (c == 0)
break;
}
if (j == 0)
{
phase1_ungetc ('x');
c = '\\';
}
else
c = n;
break;
case 'n':
c = '\n';
break;
case 't':
c = '\t';
break;
case 'r':
c = '\r';
break;
default:
phase1_ungetc (c);
c = '\\';
break;
}
}
if (bufpos >= bufmax)
{
bufmax = 2 * bufmax + 10;
buffer = xrealloc (buffer, bufmax);
}
buffer[bufpos++] = c;
}
if (bufpos >= bufmax)
{
bufmax = 2 * bufmax + 10;
buffer = xrealloc (buffer, bufmax);
}
buffer[bufpos] = 0;
if (tp->type == token_type_string_literal)
tp->string = xstrdup (buffer);
return;
case '?':
case '%':
{
int c2 = phase1_getc ();
if (c2 == '>')
{
skip_html ();
}
else
phase1_ungetc (c2);
tp->type = token_type_other;
return;
}
case '(':
tp->type = token_type_lparen;
return;
case ')':
tp->type = token_type_rparen;
return;
case ',':
tp->type = token_type_comma;
return;
case '<':
{
int c2 = phase1_getc ();
if (c2 == '<')
{
int c3 = phase1_getc ();
if (c3 == '<')
{
do
c = phase3_getc ();
while (c == ' ' || c == '\t' || c == '\n' || c == '\r');
bufpos = 0;
do
{
if (bufpos >= bufmax)
{
bufmax = 2 * bufmax + 10;
buffer = xrealloc (buffer, bufmax);
}
buffer[bufpos++] = c;
c = phase3_getc ();
}
while (c != EOF && c != '\n' && c != '\r');
for (;;)
{
c = phase1_getc ();
if (c == EOF)
break;
if (c == '\n' || c == '\r')
{
int bufidx = 0;
while (bufidx < bufpos)
{
c = phase1_getc ();
if (c == EOF)
break;
if (c != buffer[bufidx])
{
phase1_ungetc (c);
break;
}
}
c = phase1_getc ();
if (c != ';')
phase1_ungetc (c);
c = phase1_getc ();
if (c == '\n' || c == '\r')
break;
}
}
tp->type = token_type_other;
return;
}
phase1_ungetc (c3);
}
while (c2 == ' ' || c2 == '\t' || c2 == '\n' || c2 == '\r')
c2 = phase1_getc ();
if (c2 == '/')
{
do
c2 = phase1_getc ();
while (c2 == ' ' || c2 == '\t' || c2 == '\n' || c2 == '\r');
if (c2 == 's' || c2 == 'S')
{
c2 = phase1_getc ();
if (c2 == 'c' || c2 == 'C')
{
c2 = phase1_getc ();
if (c2 == 'r' || c2 == 'R')
{
c2 = phase1_getc ();
if (c2 == 'i' || c2 == 'I')
{
c2 = phase1_getc ();
if (c2 == 'p' || c2 == 'P')
{
c2 = phase1_getc ();
if (c2 == 't' || c2 == 'T')
{
do
c2 = phase1_getc ();
while (c2 == ' ' || c2 == '\t'
|| c2 == '\n' || c2 == '\r');
if (c2 == '>')
{
skip_html ();
}
else
phase1_ungetc (c2);
}
else
phase1_ungetc (c2);
}
else
phase1_ungetc (c2);
}
else
phase1_ungetc (c2);
}
else
phase1_ungetc (c2);
}
else
phase1_ungetc (c2);
}
else
phase1_ungetc (c2);
}
else
phase1_ungetc (c2);
tp->type = token_type_other;
return;
}
case '`':
default:
tp->type = token_type_other;
return;
}
}
}
static flag_context_list_table_ty *flag_context_list_table;
static bool
extract_parenthesized (message_list_ty *mlp,
flag_context_ty outer_context,
flag_context_list_iterator_ty context_iter,
int commas_to_skip, int plural_commas)
{
message_ty *plural_mp = NULL;
int state;
int next_commas_to_skip = -1;
int next_plural_commas = 0;
flag_context_list_iterator_ty next_context_iter =
passthrough_context_list_iterator;
flag_context_ty inner_context =
inherited_context (outer_context,
flag_context_list_iterator_advance (&context_iter));
state = 0;
for (;;)
{
token_ty token;
x_php_lex (&token);
switch (token.type)
{
case token_type_symbol:
{
void *keyword_value;
if (find_entry (&keywords, token.string, strlen (token.string),
&keyword_value)
== 0)
{
int argnum1 = (int) (long) keyword_value & ((1 << 10) - 1);
int argnum2 = (int) (long) keyword_value >> 10;
next_commas_to_skip = argnum1 - 1;
next_plural_commas = (argnum2 > argnum1 ? argnum2 - argnum1 : 0);
state = 1;
}
else
state = 0;
}
next_context_iter =
flag_context_list_iterator (
flag_context_list_table_lookup (
flag_context_list_table,
token.string, strlen (token.string)));
free (token.string);
continue;
case token_type_lparen:
if (extract_parenthesized (mlp, inner_context, next_context_iter,
state ? next_commas_to_skip : -1,
state ? next_plural_commas: 0))
return true;
next_context_iter = null_context_list_iterator;
state = 0;
continue;
case token_type_rparen:
return false;
case token_type_comma:
if (commas_to_skip >= 0)
{
if (commas_to_skip > 0)
commas_to_skip--;
else
if (plural_mp != NULL && plural_commas > 0)
{
commas_to_skip = plural_commas - 1;
plural_commas = 0;
}
else
commas_to_skip = -1;
}
inner_context =
inherited_context (outer_context,
flag_context_list_iterator_advance (
&context_iter));
next_context_iter = passthrough_context_list_iterator;
state = 0;
continue;
case token_type_string_literal:
{
lex_pos_ty pos;
pos.file_name = logical_file_name;
pos.line_number = token.line_number;
if (extract_all)
remember_a_message (mlp, token.string, inner_context, &pos);
else
{
if (commas_to_skip == 0)
{
if (plural_mp == NULL)
{
message_ty *mp =
remember_a_message (mlp, token.string,
inner_context, &pos);
if (plural_commas > 0)
plural_mp = mp;
}
else
{
remember_a_message_plural (plural_mp, token.string,
inner_context, &pos);
plural_mp = NULL;
}
}
else
free (token.string);
}
}
next_context_iter = null_context_list_iterator;
state = 0;
continue;
case token_type_other:
next_context_iter = null_context_list_iterator;
state = 0;
continue;
case token_type_eof:
return true;
default:
abort ();
}
}
}
void
extract_php (FILE *f,
const char *real_filename, const char *logical_filename,
flag_context_list_table_ty *flag_table,
msgdomain_list_ty *mdlp)
{
message_list_ty *mlp = mdlp->item[0]->messages;
fp = f;
real_file_name = real_filename;
logical_file_name = xstrdup (logical_filename);
line_number = 1;
last_comment_line = -1;
last_non_comment_line = -1;
flag_context_list_table = flag_table;
init_keywords ();
skip_html ();
while (!extract_parenthesized (mlp, null_context, null_context_list_iterator,
-1, 0))
;
fp = NULL;
real_file_name = NULL;
logical_file_name = NULL;
line_number = 0;
}