#include <config.h>
#include <stdlib.h>
+#include <uniwidth.h>
#include "data/case.h"
#include "data/dataset.h"
#include "libpspp/message.h"
#include "libpspp/misc.h"
#include "libpspp/pool.h"
+#include "libpspp/u8-line.h"
#include "output/tab.h"
#include "output/text-item.h"
/* PRT_LITERAL only. */
struct string string; /* String to output. */
+ int width; /* Width of 'string', in display columns. */
};
static inline struct prt_out_spec *
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 string line; /* Output buffer. */
};
enum which_formats
static int internal_cmd_print (struct lexer *, struct dataset *ds,
enum which_formats, bool eject);
-static trns_proc_func print_trns_proc;
+static trns_proc_func print_text_trns_proc, print_binary_trns_proc;
static trns_free_func print_trns_free;
static bool parse_specs (struct lexer *, struct pool *tmp_pool, struct print_trns *,
struct dictionary *dict, enum which_formats);
internal_cmd_print (struct lexer *lexer, struct dataset *ds,
enum which_formats which_formats, bool eject)
{
- bool print_table = 0;
+ bool print_table = false;
+ const struct prt_out_spec *spec;
struct print_trns *trns;
struct file_handle *fh = NULL;
char *encoding = NULL;
struct pool *tmp_pool;
+ bool binary;
/* Fill in prt to facilitate error-handling. */
trns = pool_create_container (struct print_trns, pool);
trns->writer = NULL;
trns->record_cnt = 0;
ll_init (&trns->specs);
- ds_init_empty (&trns->line);
- ds_register_pool (&trns->line, trns->pool);
tmp_pool = pool_create_subpool (trns->pool);
if (!parse_specs (lexer, tmp_pool, trns, dataset_dict (ds), which_formats))
goto error;
+ /* Are there any binary formats?
+
+ There are real difficulties figuring out what to do when both binary
+ formats and nontrivial encodings enter the picture. So when binary
+ formats are present we fall back to much simpler handling. */
+ binary = false;
+ ll_for_each (spec, struct prt_out_spec, ll, &trns->specs)
+ {
+ if (spec->type == PRT_VAR
+ && fmt_get_category (spec->format.type) == FMT_CAT_BINARY)
+ {
+ binary = true;
+ break;
+ }
+ }
+ if (binary && fh == NULL)
+ {
+ msg (SE, _("OUTFILE is required when binary formats are specified."));
+ goto error;
+ }
+
if (lex_end_of_command (lexer) != CMD_SUCCESS)
goto error;
dump_table (trns, fh);
/* Put the transformation in the queue. */
- add_transformation (ds, print_trns_proc, print_trns_free, trns);
+ add_transformation (ds,
+ (binary
+ ? print_binary_trns_proc
+ : print_text_trns_proc),
+ print_trns_free, trns);
pool_destroy (tmp_pool);
fh_unref (fh);
if (lex_is_string (lexer))
ok = parse_string_argument (lexer, trns, record, &column);
else
- ok = parse_variable_argument (lexer, dict, trns, tmp_pool, &record, &column,
- which_formats);
+ ok = parse_variable_argument (lexer, dict, trns, tmp_pool, &record,
+ &column, which_formats);
if (!ok)
return 0;
if (range_specified)
ds_set_length (&spec->string, last_column - first_column + 1, ' ');
}
- *column = spec->first_column + ds_length (&spec->string);
+
+ spec->width = u8_strwidth (CHAR_CAST (const uint8_t *,
+ ds_cstr (&spec->string)),
+ UTF8);
+ *column = spec->first_column + spec->width;
ll_push_tail (&trns->specs, &spec->ll);
return true;
tab_submit (t);
}
\f
-/* Transformation. */
+/* Transformation, for all-text output. */
-static void flush_records (struct print_trns *, int target_record,
- bool *eject, int *record);
+static void print_text_flush_records (struct print_trns *, struct u8_line *,
+ int target_record,
+ bool *eject, int *record);
/* Performs the transformation inside print_trns T on case C. */
static int
-print_trns_proc (void *trns_, struct ccase **c, casenumber case_num UNUSED)
+print_text_trns_proc (void *trns_, struct ccase **c,
+ casenumber case_num UNUSED)
{
struct print_trns *trns = trns_;
+ struct prt_out_spec *spec;
+ struct u8_line line;
+
bool eject = trns->eject;
- char encoded_space = recode_byte (trns->encoding, C_ENCODING, ' ');
int record = 1;
- struct prt_out_spec *spec;
- ds_clear (&trns->line);
- ds_put_byte (&trns->line, ' ');
+ u8_line_init (&line);
ll_for_each (spec, struct prt_out_spec, ll, &trns->specs)
{
- flush_records (trns, spec->record, &eject, &record);
+ int x0 = spec->first_column;
- ds_set_length (&trns->line, spec->first_column, encoded_space);
+ print_text_flush_records (trns, &line, spec->record, &eject, &record);
+
+ u8_line_set_length (&line, spec->first_column);
if (spec->type == PRT_VAR)
{
const union value *input = case_data (*c, spec->var);
+ int x1;
+
if (!spec->sysmis_as_spaces || input->f != SYSMIS)
- data_out_recode (input, var_get_encoding (spec->var),
- &spec->format, &trns->line, trns->encoding);
+ {
+ size_t len;
+ int width;
+ char *s;
+
+ s = data_out (input, var_get_encoding (spec->var),
+ &spec->format);
+ len = strlen (s);
+ width = u8_width (CHAR_CAST (const uint8_t *, s), len, UTF8);
+ x1 = x0 + width;
+ u8_line_put (&line, x0, x1, s, len);
+ free (s);
+ }
else
- ds_put_byte_multiple (&trns->line, encoded_space, spec->format.w);
+ {
+ int n = spec->format.w;
+
+ x1 = x0 + n;
+ memset (u8_line_reserve (&line, x0, x1, n), ' ', n);
+ }
+
if (spec->add_space)
- ds_put_byte (&trns->line, encoded_space);
+ *u8_line_reserve (&line, x1, x1 + 1, 1) = ' ';
}
else
{
- ds_put_substring (&trns->line, ds_ss (&spec->string));
- if (0 != strcmp (trns->encoding, C_ENCODING))
- {
- size_t length = ds_length (&spec->string);
- char *data = ss_data (ds_tail (&trns->line, length));
- char *s = recode_string (trns->encoding, C_ENCODING, data, length);
- memcpy (data, s, length);
- free (s);
- }
+ const struct string *s = &spec->string;
+
+ u8_line_put (&line, x0, x0 + spec->width,
+ ds_data (s), ds_length (s));
}
}
- flush_records (trns, trns->record_cnt + 1, &eject, &record);
+ print_text_flush_records (trns, &line, trns->record_cnt + 1,
+ &eject, &record);
+ u8_line_destroy (&line);
if (trns->writer != NULL && dfm_write_error (trns->writer))
return TRNS_ERROR;
output is preceded by ejecting the page (and *EJECT is set
false). */
static void
-flush_records (struct print_trns *trns, int target_record,
- bool *eject, int *record)
+print_text_flush_records (struct print_trns *trns, struct u8_line *line,
+ int target_record, bool *eject, int *record)
{
for (; target_record > *record; (*record)++)
{
- char *line = ds_cstr (&trns->line);
- size_t length = ds_length (&trns->line);
char leader = ' ';
if (*eject)
else
leader = '1';
}
- line[0] = recode_byte (trns->encoding, C_ENCODING, leader);
+ *u8_line_reserve (line, 0, 1, 1) = leader;
if (trns->writer == NULL)
- tab_output_text (TAB_FIX, &line[1]);
+ tab_output_text (TAB_FIX, ds_cstr (&line->s) + 1);
else
{
+ size_t len = ds_length (&line->s);
+ char *s = ds_cstr (&line->s);
+
if (!trns->include_prefix)
{
- line++;
- length--;
+ s++;
+ len--;
+ }
+
+ if (is_encoding_utf8 (trns->encoding))
+ dfm_put_record (trns->writer, s, len);
+ else
+ {
+ char *recoded = recode_string (trns->encoding, UTF8, s, len);
+ dfm_put_record (trns->writer, recoded, strlen (recoded));
+ free (recoded);
}
- dfm_put_record (trns->writer, line, length);
}
+ }
+}
+\f
+/* Transformation, for output involving binary. */
+
+static void print_binary_flush_records (struct print_trns *,
+ struct string *line, int target_record,
+ bool *eject, int *record);
+
+/* Performs the transformation inside print_trns T on case C. */
+static int
+print_binary_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;
+ struct string line;
+
+ ds_init_empty (&line);
+ ds_put_byte (&line, ' ');
+ ll_for_each (spec, struct prt_out_spec, ll, &trns->specs)
+ {
+ print_binary_flush_records (trns, &line, spec->record, &eject, &record);
- ds_truncate (&trns->line, 1);
+ ds_set_length (&line, spec->first_column, encoded_space);
+ if (spec->type == PRT_VAR)
+ {
+ const union value *input = case_data (*c, spec->var);
+ if (!spec->sysmis_as_spaces || input->f != SYSMIS)
+ data_out_recode (input, var_get_encoding (spec->var),
+ &spec->format, &line, trns->encoding);
+ else
+ ds_put_byte_multiple (&line, encoded_space, spec->format.w);
+ if (spec->add_space)
+ ds_put_byte (&line, encoded_space);
+ }
+ else
+ {
+ ds_put_substring (&line, ds_ss (&spec->string));
+ if (0 != strcmp (trns->encoding, UTF8))
+ {
+ size_t length = ds_length (&spec->string);
+ char *data = ss_data (ds_tail (&line, length));
+ char *s = recode_string (trns->encoding, UTF8, data, length);
+ memcpy (data, s, length);
+ free (s);
+ }
+ }
}
+ print_binary_flush_records (trns, &line, trns->record_cnt + 1,
+ &eject, &record);
+ ds_destroy (&line);
+
+ if (trns->writer != NULL && dfm_write_error (trns->writer))
+ return TRNS_ERROR;
+ return TRNS_CONTINUE;
}
+/* Advance from *RECORD to TARGET_RECORD, outputting records
+ along the way. If *EJECT is true, then the first record
+ output is preceded by ejecting the page (and *EJECT is set
+ false). */
+static void
+print_binary_flush_records (struct print_trns *trns, struct string *line,
+ int target_record, bool *eject, int *record)
+{
+ for (; target_record > *record; (*record)++)
+ {
+ char *s = ds_cstr (line);
+ size_t length = ds_length (line);
+ char leader = ' ';
+
+ if (*eject)
+ {
+ *eject = false;
+ leader = '1';
+ }
+ s[0] = recode_byte (trns->encoding, C_ENCODING, leader);
+
+ if (!trns->include_prefix)
+ {
+ s++;
+ length--;
+ }
+ dfm_put_record (trns->writer, s, length);
+
+ ds_truncate (line, 1);
+ }
+}
+\f
/* Frees TRNS. */
static bool
print_trns_free (void *trns_)
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