enum field_type
{
PRT_LITERAL, /* Literal string. */
- PRT_VAR /* Variable. */
+ PRT_VAR, /* Variable. */
+ PRT_ADVANCE, /* Skip forward N positions. */
+ PRT_GOTO, /* Go to absolute position N. */
+ PRT_NEWLINE, /* Output the constructed line. */
+ PRT_EJECT /* Eject the output page. */
};
/* Describes how to output one field. */
/* All fields. */
struct ll ll; /* In struct print_trns `specs' list. */
enum field_type type; /* What type of field this is. */
- int record; /* 1-based record number. */
int first_column; /* 0-based first column. */
/* PRT_VAR only. */
const struct variable *var; /* Associated variable. */
struct fmt_spec format; /* Output spec. */
- bool add_space; /* Add trailing space? */
bool sysmis_as_spaces; /* Output SYSMIS as spaces? */
/* PRT_LITERAL only. */
struct print_trns
{
struct pool *pool; /* Stores related data. */
- bool eject; /* Eject page before printing? */
- bool include_prefix; /* Prefix lines with space? */
const char *encoding; /* Encoding to use for output. */
struct dfm_writer *writer; /* Output file, NULL=listing file. */
struct ll_list specs; /* List of struct prt_out_specs. */
- size_t record_cnt; /* Number of records to write. */
struct u8_line line; /* Output buffer. */
int unit; /* Unit width, in bytes. */
struct file_handle *fh = NULL;
char *encoding = NULL;
struct pool *tmp_pool;
+ int record_cnt = 0;
/* Fill in prt to facilitate error-handling. */
trns = pool_create_container (struct print_trns, pool);
trns->eject = eject;
trns->writer = NULL;
- trns->record_cnt = 0;
ll_init (&trns->specs);
u8_line_init (&trns->line);
u8_line_register_pool (&trns->line, trns->pool);
lex_match (lexer, T_LPAREN);
if (!lex_force_int (lexer))
goto error;
- trns->record_cnt = lex_integer (lexer);
+ record_cnt = lex_integer (lexer);
lex_get (lexer);
lex_match (lexer, T_RPAREN);
}
}
}
- /* When PRINT or PRINT EJECT writes to an external file, we
- prefix each line with a space for compatibility. */
- trns->include_prefix = which_formats == PRINT && fh != NULL;
-
/* Parse variables and strings. */
if (!parse_specs (lexer, tmp_pool, trns, dataset_dict (ds), which_formats))
goto error;
\f
/* Transformation. */
-static void flush_records (struct print_trns *, int target_record,
- bool *eject, int *record);
+static void
+print_literal (struct print_trns *trns, const struct prt_out_spec *spec)
+{
+ const char *s = ds_data (&spec->string);
+ int n = ds_length (&spec->string);
+ int width = u8_width (s, n, UTF8);
+
+ u8_line_put (&trns->line, x0, x0 + width, s, n);
+}
+
+static void
+print_var (struct print_trns *trns, const struct prt_out_spec *spec,
+ const union value *value)
+{
+ int x0 = spec->first_column;
+
+ if (!spec->sysmis_as_spaces || input->f != SYSMIS)
+ {
+ char *s = data_out (input, var_get_encoding (spec->var), &spec->format);
+ size_t n = strlen (s);
+
+ x1 = ;
+ u8_line_put (&trns->line, x0, x1, s, n);
+ free (s);
+ }
+ else
+ {
+ x1 = x0 + spec->format.w;
+ memset (u8_line_reserve (&trns->line, x0, x1, x1 - x0),
+ ' ', x1 - x0);
+ }
+
+
+}
/* Performs the transformation inside print_trns T on case C. */
static int
print_trns_proc (void *trns_, struct ccase **c, casenumber case_num UNUSED)
{
struct print_trns *trns = trns_;
- bool eject = trns->eject;
- char encoded_space = recode_byte (trns->encoding, C_ENCODING, ' ');
- int record = 1;
struct prt_out_spec *spec;
u8_line_clear (&trns->line);
- ds_put_byte (&trns->line.s, ' ');
- trns->line.width = 0;
-
ll_for_each (spec, struct prt_out_spec, ll, &trns->specs)
+ switch (spec->type)
+ {
+ case PRT_LITERAL:
+ print_literal (trns, spec);
+ break;
+
+ case PRT_VAR:
+ print_var (trns, spec, case_data (*c, spec->var));
+ break;
+
+ case PRT_NEWLINE:
+ if (trns->writer == NULL)
+ tab_output_text (TAB_FIX, ds_cstr (&trns->line.s));
+ else
+ dfm_put_record (trns->writer, ds_data (&trns->line.s),
+ ds_length (&trns->line.s));
+ u8_line_clear (&trns->line);
+ break;
+
+ case PRT_EJECT:
+ text_item_submit (text_item_create (TEXT_ITEM_EJECT_PAGE, ""));
+ break;
+ }
+
{
- flush_records (trns, spec->record, &eject, &record);
+ int x0 = spec->first_column;
if (spec->type == PRT_VAR)
{
- const union value *input = case_data (*c, spec->var);
- if (!spec->sysmis_as_spaces || input->f != SYSMIS)
- {
- char *s = data_out (input, var_get_encoding (spec->var),
- &spec->format);
- int width = u8_strwidth (s);
- size_t n = strlen (s);
- u8_line_put (&trns->line, spec->first_column,
- spec->first_column + width, s, n);
- free (s);
- }
- else
- {
- memset (u8_line-record
+ const union value *input = ;
+ int x1;
- }
- ds_put_byte_multiple (&trns->line, encoded_space, spec->format.w);
- if (spec->add_space)
- ds_put_byte (&trns->line, encoded_space);
}
else
{
- ds_put_substring (&trns->line, ds_ss (&spec->string));
- if (0 != strcmp (trns->encoding, UTF8))
- {
- size_t length = ds_length (&spec->string);
- char *data = ss_data (ds_tail (&trns->line, length));
- char *s = recode_string (trns->encoding, UTF8, data, length);
- memcpy (data, s, length);
- free (s);
- }
}
}
- flush_records (trns, trns->record_cnt + 1, &eject, &record);
if (trns->writer != NULL && dfm_write_error (trns->writer))
return TRNS_ERROR;
if (trns->writer == NULL)
tab_output_text (TAB_FIX, &line[1]);
else
- {
- if (!trns->include_prefix)
- {
- line++;
- length--;
- }
- dfm_put_record (trns->writer, line, length);
- }
+ dfm_put_record (trns->writer, line, length);
ds_truncate (&trns->line, 1);
}