This makes the table formatting functions available to other programs.
ovs-vsctl will start using it soon on the "list" and "find" commands.
lib/string.h \
lib/svec.c \
lib/svec.h \
+ lib/table.c \
+ lib/table.h \
lib/tag.c \
lib/tag.h \
lib/timeval.c \
lib/ssl.man \
lib/ssl-syn.man \
lib/stress-unixctl.man \
+ lib/table.man \
lib/unixctl.man \
lib/unixctl-syn.man \
lib/vconn-active.man \
--- /dev/null
+/*
+ * Copyright (c) 2009, 2010, 2011 Nicira Networks.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <config.h>
+
+#include "table.h"
+
+#include <assert.h>
+
+#include "dynamic-string.h"
+#include "json.h"
+#include "ovsdb-data.h"
+#include "util.h"
+
+struct column {
+ char *heading;
+};
+
+static char *
+cell_to_text(struct cell *cell, const struct table_style *style)
+{
+ if (!cell->text) {
+ if (cell->json) {
+ if (style->cell_format == CF_JSON || !cell->type) {
+ cell->text = json_to_string(cell->json, JSSF_SORT);
+ } else if (style->cell_format == CF_STRING) {
+ struct ovsdb_datum datum;
+ struct ovsdb_error *error;
+ struct ds s;
+
+ error = ovsdb_datum_from_json(&datum, cell->type, cell->json,
+ NULL);
+ if (!error) {
+ ds_init(&s);
+ ovsdb_datum_to_string(&datum, cell->type, &s);
+ ovsdb_datum_destroy(&datum, cell->type);
+ cell->text = ds_steal_cstr(&s);
+ } else {
+ cell->text = json_to_string(cell->json, JSSF_SORT);
+ }
+ } else {
+ NOT_REACHED();
+ }
+ } else {
+ cell->text = xstrdup("");
+ }
+ }
+
+ return cell->text;
+}
+
+static void
+cell_destroy(struct cell *cell)
+{
+ free(cell->text);
+ json_destroy(cell->json);
+}
+
+/* Initializes 'table' as an empty table.
+ *
+ * The caller should then:
+ *
+ * 1. Call table_add_column() once for each column.
+ * 2. For each row:
+ * 2a. Call table_add_row().
+ * 2b. For each column in the cell, call table_add_cell() and fill in
+ * the returned cell.
+ * 3. Call table_print() to print the final table.
+ * 4. Free the table with table_destroy().
+ */
+void
+table_init(struct table *table)
+{
+ memset(table, 0, sizeof *table);
+}
+
+/* Destroys 'table' and frees all associated storage. (However, the client
+ * owns the 'type' members pointed to by cells, so these are not destroyed.) */
+void
+table_destroy(struct table *table)
+{
+ if (table) {
+ size_t i;
+
+ for (i = 0; i < table->n_columns; i++) {
+ free(table->columns[i].heading);
+ }
+ free(table->columns);
+
+ for (i = 0; i < table->n_columns * table->n_rows; i++) {
+ cell_destroy(&table->cells[i]);
+ }
+ free(table->cells);
+
+ free(table->caption);
+ }
+}
+
+/* Sets 'caption' as the caption for 'table'.
+ *
+ * 'table' takes ownership of 'caption'. */
+void
+table_set_caption(struct table *table, char *caption)
+{
+ free(table->caption);
+ table->caption = caption;
+}
+
+/* Adds a new column to 'table' just to the right of any existing column, with
+ * 'heading' as a title for the column. 'heading' must be a valid printf()
+ * format specifier.
+ *
+ * Columns must be added before any data is put into 'table'. */
+void
+table_add_column(struct table *table, const char *heading, ...)
+{
+ struct column *column;
+ va_list args;
+
+ assert(!table->n_rows);
+ if (table->n_columns >= table->allocated_columns) {
+ table->columns = x2nrealloc(table->columns, &table->allocated_columns,
+ sizeof *table->columns);
+ }
+ column = &table->columns[table->n_columns++];
+
+ va_start(args, heading);
+ column->heading = xvasprintf(heading, args);
+ va_end(args);
+}
+
+static struct cell *
+table_cell__(const struct table *table, size_t row, size_t column)
+{
+ return &table->cells[column + row * table->n_columns];
+}
+
+/* Adds a new row to 'table'. The table's columns must already have been added
+ * with table_add_column().
+ *
+ * The row is initially empty; use table_add_cell() to start filling it in. */
+void
+table_add_row(struct table *table)
+{
+ size_t x, y;
+
+ if (table->n_rows >= table->allocated_rows) {
+ table->cells = x2nrealloc(table->cells, &table->allocated_rows,
+ table->n_columns * sizeof *table->cells);
+ }
+
+ y = table->n_rows++;
+ table->current_column = 0;
+ for (x = 0; x < table->n_columns; x++) {
+ struct cell *cell = table_cell__(table, y, x);
+ memset(cell, 0, sizeof *cell);
+ }
+}
+
+/* Adds a new cell in the current row of 'table', which must have been added
+ * with table_add_row(). Cells are filled in the same order that the columns
+ * were added with table_add_column().
+ *
+ * The caller is responsible for filling in the returned cell, in one of two
+ * fashions:
+ *
+ * - If the cell should contain an ovsdb_datum, formatted according to the
+ * table style, then fill in the 'json' member with the JSON representation
+ * of the datum and 'type' with its type.
+ *
+ * - If the cell should contain a fixed text string, then the caller should
+ * assign that string to the 'text' member. This is undesirable if the
+ * cell actually contains OVSDB data because 'text' cannot be formatted
+ * according to the table style; it is always output verbatim.
+ */
+struct cell *
+table_add_cell(struct table *table)
+{
+ size_t x, y;
+
+ assert(table->n_rows > 0);
+ assert(table->current_column < table->n_columns);
+
+ x = table->current_column++;
+ y = table->n_rows - 1;
+
+ return table_cell__(table, y, x);
+}
+
+static void
+table_print_table_line__(struct ds *line)
+{
+ puts(ds_cstr(line));
+ ds_clear(line);
+}
+
+static void
+table_print_table__(const struct table *table, const struct table_style *style)
+{
+ static int n = 0;
+ struct ds line = DS_EMPTY_INITIALIZER;
+ int *widths;
+ size_t x, y;
+
+ if (n++ > 0) {
+ putchar('\n');
+ }
+
+ if (table->caption) {
+ puts(table->caption);
+ }
+
+ widths = xmalloc(table->n_columns * sizeof *widths);
+ for (x = 0; x < table->n_columns; x++) {
+ const struct column *column = &table->columns[x];
+
+ widths[x] = strlen(column->heading);
+ for (y = 0; y < table->n_rows; y++) {
+ const char *text = cell_to_text(table_cell__(table, y, x), style);
+ size_t length = strlen(text);
+
+ if (length > widths[x]) {
+ widths[x] = length;
+ }
+ }
+ }
+
+ if (style->headings) {
+ for (x = 0; x < table->n_columns; x++) {
+ const struct column *column = &table->columns[x];
+ if (x) {
+ ds_put_char(&line, ' ');
+ }
+ ds_put_format(&line, "%-*s", widths[x], column->heading);
+ }
+ table_print_table_line__(&line);
+
+ for (x = 0; x < table->n_columns; x++) {
+ if (x) {
+ ds_put_char(&line, ' ');
+ }
+ ds_put_char_multiple(&line, '-', widths[x]);
+ }
+ table_print_table_line__(&line);
+ }
+
+ for (y = 0; y < table->n_rows; y++) {
+ for (x = 0; x < table->n_columns; x++) {
+ const char *text = cell_to_text(table_cell__(table, y, x), style);
+ if (x) {
+ ds_put_char(&line, ' ');
+ }
+ ds_put_format(&line, "%-*s", widths[x], text);
+ }
+ table_print_table_line__(&line);
+ }
+
+ ds_destroy(&line);
+ free(widths);
+}
+
+static void
+table_escape_html_text__(const char *s, size_t n)
+{
+ size_t i;
+
+ for (i = 0; i < n; i++) {
+ char c = s[i];
+
+ switch (c) {
+ case '&':
+ fputs("&", stdout);
+ break;
+ case '<':
+ fputs("<", stdout);
+ break;
+ case '>':
+ fputs(">", stdout);
+ break;
+ case '"':
+ fputs(""", stdout);
+ break;
+ default:
+ putchar(c);
+ break;
+ }
+ }
+}
+
+static void
+table_print_html_cell__(const char *element, const char *content)
+{
+ const char *p;
+
+ printf(" <%s>", element);
+ for (p = content; *p; ) {
+ struct uuid uuid;
+
+ if (uuid_from_string_prefix(&uuid, p)) {
+ printf("<a href=\"#%.*s\">%.*s</a>", UUID_LEN, p, 8, p);
+ p += UUID_LEN;
+ } else {
+ table_escape_html_text__(p, 1);
+ p++;
+ }
+ }
+ printf("</%s>\n", element);
+}
+
+static void
+table_print_html__(const struct table *table, const struct table_style *style)
+{
+ size_t x, y;
+
+ fputs("<table border=1>\n", stdout);
+
+ if (table->caption) {
+ table_print_html_cell__("caption", table->caption);
+ }
+
+ if (style->headings) {
+ fputs(" <tr>\n", stdout);
+ for (x = 0; x < table->n_columns; x++) {
+ const struct column *column = &table->columns[x];
+ table_print_html_cell__("th", column->heading);
+ }
+ fputs(" </tr>\n", stdout);
+ }
+
+ for (y = 0; y < table->n_rows; y++) {
+ fputs(" <tr>\n", stdout);
+ for (x = 0; x < table->n_columns; x++) {
+ const char *content;
+
+ content = cell_to_text(table_cell__(table, y, x), style);
+ if (!strcmp(table->columns[x].heading, "_uuid")) {
+ fputs(" <td><a name=\"", stdout);
+ table_escape_html_text__(content, strlen(content));
+ fputs("\">", stdout);
+ table_escape_html_text__(content, 8);
+ fputs("</a></td>\n", stdout);
+ } else {
+ table_print_html_cell__("td", content);
+ }
+ }
+ fputs(" </tr>\n", stdout);
+ }
+
+ fputs("</table>\n", stdout);
+}
+
+static void
+table_print_csv_cell__(const char *content)
+{
+ const char *p;
+
+ if (!strpbrk(content, "\n\",")) {
+ fputs(content, stdout);
+ } else {
+ putchar('"');
+ for (p = content; *p != '\0'; p++) {
+ switch (*p) {
+ case '"':
+ fputs("\"\"", stdout);
+ break;
+ default:
+ putchar(*p);
+ break;
+ }
+ }
+ putchar('"');
+ }
+}
+
+static void
+table_print_csv__(const struct table *table, const struct table_style *style)
+{
+ static int n = 0;
+ size_t x, y;
+
+ if (n++ > 0) {
+ putchar('\n');
+ }
+
+ if (table->caption) {
+ puts(table->caption);
+ }
+
+ if (style->headings) {
+ for (x = 0; x < table->n_columns; x++) {
+ const struct column *column = &table->columns[x];
+ if (x) {
+ putchar(',');
+ }
+ table_print_csv_cell__(column->heading);
+ }
+ putchar('\n');
+ }
+
+ for (y = 0; y < table->n_rows; y++) {
+ for (x = 0; x < table->n_columns; x++) {
+ if (x) {
+ putchar(',');
+ }
+ table_print_csv_cell__(cell_to_text(table_cell__(table, y, x),
+ style));
+ }
+ putchar('\n');
+ }
+}
+
+static void
+table_print_json__(const struct table *table, const struct table_style *style)
+{
+ struct json *json, *headings, *data;
+ size_t x, y;
+ char *s;
+
+ json = json_object_create();
+ if (table->caption) {
+ json_object_put_string(json, "caption", table->caption);
+ }
+
+ headings = json_array_create_empty();
+ for (x = 0; x < table->n_columns; x++) {
+ const struct column *column = &table->columns[x];
+ json_array_add(headings, json_string_create(column->heading));
+ }
+ json_object_put(json, "headings", headings);
+
+ data = json_array_create_empty();
+ for (y = 0; y < table->n_rows; y++) {
+ struct json *row = json_array_create_empty();
+ for (x = 0; x < table->n_columns; x++) {
+ const struct cell *cell = table_cell__(table, y, x);
+ if (cell->text) {
+ json_array_add(row, json_string_create(cell->text));
+ } else {
+ json_array_add(row, json_clone(cell->json));
+ }
+ }
+ json_array_add(data, row);
+ }
+ json_object_put(json, "data", data);
+
+ s = json_to_string(json, style->json_flags);
+ json_destroy(json);
+ puts(s);
+ free(s);
+}
+\f
+/* Parses 'format' as the argument to a --format command line option, updating
+ * 'style->format'. */
+void
+table_parse_format(struct table_style *style, const char *format)
+{
+ if (!strcmp(format, "table")) {
+ style->format = TF_TABLE;
+ } else if (!strcmp(format, "html")) {
+ style->format = TF_HTML;
+ } else if (!strcmp(format, "csv")) {
+ style->format = TF_CSV;
+ } else if (!strcmp(format, "json")) {
+ style->format = TF_JSON;
+ } else {
+ ovs_fatal(0, "unknown output format \"%s\"", format);
+ }
+}
+
+/* Parses 'format' as the argument to a --data command line option, updating
+ * 'style->cell_format'. */
+void
+table_parse_cell_format(struct table_style *style, const char *format)
+{
+ if (!strcmp(format, "string")) {
+ style->cell_format = CF_STRING;
+ } else if (!strcmp(format, "json")) {
+ style->cell_format = CF_JSON;
+ } else {
+ ovs_fatal(0, "unknown data format \"%s\"", format);
+ }
+}
+
+/* Outputs 'table' on stdout in the specified 'style'. */
+void
+table_print(const struct table *table, const struct table_style *style)
+{
+ switch (style->format) {
+ case TF_TABLE:
+ table_print_table__(table, style);
+ break;
+
+ case TF_HTML:
+ table_print_html__(table, style);
+ break;
+
+ case TF_CSV:
+ table_print_csv__(table, style);
+ break;
+
+ case TF_JSON:
+ table_print_json__(table, style);
+ break;
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2009, 2010, 2011 Nicira Networks.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef TABLE_H
+#define TABLE_H 1
+
+#include <stdbool.h>
+#include <stddef.h>
+#include "compiler.h"
+
+struct table_style;
+\f
+/* Manipulating tables and their rows and columns. */
+
+struct table {
+ struct cell *cells;
+ struct column *columns;
+ size_t n_columns, allocated_columns;
+ size_t n_rows, allocated_rows;
+ size_t current_column;
+ char *caption;
+};
+
+void table_init(struct table *);
+void table_destroy(struct table *);
+void table_set_caption(struct table *, char *caption);
+
+void table_add_column(struct table *, const char *heading, ...)
+ PRINTF_FORMAT(2, 3);
+void table_add_row(struct table *);
+\f
+/* Table cells. */
+
+struct cell {
+ /* Literal text. */
+ char *text;
+
+ /* JSON. */
+ struct json *json;
+ const struct ovsdb_type *type;
+};
+
+struct cell *table_add_cell(struct table *);
+\f
+/* Table formatting. */
+
+enum table_format {
+ TF_TABLE, /* 2-d table. */
+ TF_HTML, /* HTML table. */
+ TF_CSV, /* Comma-separated lines. */
+ TF_JSON /* JSON. */
+};
+
+enum cell_format {
+ CF_STRING, /* String format. */
+ CF_JSON /* JSON. */
+};
+
+struct table_style {
+ enum table_format format; /* TF_*. */
+ enum cell_format cell_format; /* CF_*. */
+ bool headings; /* Include headings? */
+ int json_flags; /* CF_JSON: Flags for json_to_string(). */
+};
+
+#define TABLE_STYLE_DEFAULT { TF_TABLE, CF_STRING, true, JSSF_SORT }
+
+#define TABLE_OPTION_ENUMS \
+ OPT_NO_HEADINGS, \
+ OPT_PRETTY
+
+#define TABLE_LONG_OPTIONS \
+ {"format", required_argument, 0, 'f'}, \
+ {"data", required_argument, 0, 'd'}, \
+ {"no-headings", no_argument, 0, OPT_NO_HEADINGS}, \
+ {"pretty", no_argument, 0, OPT_PRETTY},
+
+#define TABLE_OPTION_HANDLERS(STYLE) \
+ case 'f': \
+ table_parse_format(STYLE, optarg); \
+ break; \
+ \
+ case 'd': \
+ table_parse_cell_format(STYLE, optarg); \
+ break; \
+ \
+ case OPT_NO_HEADINGS: \
+ (STYLE)->headings = false; \
+ break; \
+ \
+ case OPT_PRETTY: \
+ (STYLE)->json_flags |= JSSF_PRETTY; \
+ break;
+
+void table_parse_format(struct table_style *, const char *format);
+void table_parse_cell_format(struct table_style *, const char *format);
+
+void table_print(const struct table *, const struct table_style *);
+
+#endif /* table.h */
--- /dev/null
+.IP "\fB\-f \fIformat\fR"
+.IQ "\fB\-\-format=\fIformat\fR"
+Sets the type of table formatting. The following types of
+\fIformat\fR are available:
+.RS
+.IP "\fBtable\fR (default)"
+Text-based tables with aligned columns.
+.IP "\fBhtml\fR"
+HTML tables.
+.IP "\fBcvs\fR"
+Comma-separated values as defined in RFC 4180.
+.IP "\fBjson\fR"
+JSON format as defined in RFC 4627. The output is a sequence of JSON
+objects, each of which corresponds to one table. Each JSON object has
+the following members with the noted values:
+.RS
+.IP "\fBcaption\fR"
+The table's caption. This member is omitted if the table has no
+caption.
+.IP "\fBheadings\fR"
+An array with one element per table column. Each array element is a
+string giving the corresponding column's heading.
+.IP "\fBdata\fR"
+An array with one element per table row. Each element is also an
+array with one element per table column. The elements of this
+second-level array are the cells that constitute the table. Cells
+that represent OVSDB data or data types are expressed in the format
+described in the OVSDB specification; other cells are simply expressed
+as text strings.
+.RE
+.RE
+.
+.IP "\fB\-d \fIformat\fR"
+.IP "\fB\-\-data=\fIformat\fR"
+Sets the formatting for cells within output tables. The following
+types of \fIformat\fR are available:
+.RS
+.IP "\fBstring\fR (default)"
+The simple format described in \fBovs\-vsctl\fR(8).
+.IP "\fBjson\fR"
+JSON.
+.RE
+.IP
+The \fBjson\fR output format always outputs cells in JSON format,
+ignoring this option.
+.
+.IP "\fB\-\-no\-heading\fR"
+This option suppresses the heading row that otherwise appears in the
+first row of table output.
+.
+.IP "\fB\-\-pretty\fR"
+By default, JSON in output is printed as compactly as possible. This
+option causes JSON in output to be printed in a more readable
+fashion. Members of objects and elements of arrays are printed one
+per line, with indentation.
+.IP
+This option does not affect JSON in tables, which is always printed
+compactly.
Much of the output from \fBovsdb\-client\fR is in the form of tables.
The following options controlling output formatting:
.
-.IP "\fB\-f \fIformat\fR"
-.IQ "\fB\-\-format=\fIformat\fR"
-Sets the type of table formatting. The following types of
-\fIformat\fR are available:
-.RS
-.IP "\fBtable\fR (default)"
-Text-based tables with aligned columns.
-.IP "\fBhtml\fR"
-HTML tables.
-.IP "\fBcvs\fR"
-Comma-separated values as defined in RFC 4180.
-.IP "\fBjson\fR"
-JSON format as defined in RFC 4627. The output is a sequence of JSON
-objects, each of which corresponds to one table. Each JSON object has
-the following members with the noted values:
-.RS
-.IP "\fBcaption\fR"
-The table's caption. This member is omitted if the table has no
-caption.
-.IP "\fBheadings\fR"
-An array with one element per table column. Each array element is a
-string giving the corresponding column's heading.
-.IP "\fBdata\fR"
-An array with one element per table row. Each element is also an
-array with one element per table column. The elements of this
-second-level array are the cells that constitute the table. Cells
-that represent OVSDB data or data types are expressed in the format
-described in the OVSDB specification; other cells are simply expressed
-as text strings.
-.RE
-.RE
-.
-.IP "\fB\-d \fIformat\fR"
-.IP "\fB\-\-data=\fIformat\fR"
-Sets the formatting for cells within output tables. The following
-types of \fIformat\fR are available:
-.RS
-.IP "\fBstring\fR (default)"
-The simple format described in \fBovs\-vsctl\fR(8).
-.IP "\fBjson\fR"
-JSON.
-.RE
-.IP
-The \fBjson\fR output format always outputs cells in JSON format,
-ignoring this option.
-.
-.IP "\fB\-\-no\-heading\fR"
-This option suppresses the heading row that otherwise appears in the
-first row of table output.
-.
-.IP "\fB\-\-pretty\fR"
-By default, JSON in output is printed as compactly as possible. This
-option causes JSON in output to be printed in a more readable
-fashion. Members of objects and elements of arrays are printed one
-per line, with indentation.
-.IP
-This option does not affect JSON in tables, which is always printed
-compactly.
+.so lib/table.man
.
.SS "Daemon Options"
The daemon options apply only to the \fBmonitor\fR command. With any
/*
- * Copyright (c) 2009, 2010 Nicira Networks.
+ * Copyright (c) 2009, 2010, 2011 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "dynamic-string.h"
#include "json.h"
#include "jsonrpc.h"
+#include "lib/table.h"
#include "ovsdb.h"
#include "ovsdb-data.h"
#include "ovsdb-error.h"
VLOG_DEFINE_THIS_MODULE(ovsdb_client);
-/* --format: Output formatting. */
-static enum {
- FMT_TABLE, /* Textual table. */
- FMT_HTML, /* HTML table. */
- FMT_CSV, /* Comma-separated lines. */
- FMT_JSON /* JSON. */
-} output_format;
-
-/* --no-headings: Whether table output should include headings. */
-static int output_headings = true;
-
-/* --pretty: Flags to pass to json_to_string(). */
-static int json_flags = JSSF_SORT;
-
-/* --data: Format of data in output tables. */
-static enum {
- DF_STRING, /* String format. */
- DF_JSON, /* JSON. */
-} data_format;
+/* Format for table output. */
+static struct table_style table_style = TABLE_STYLE_DEFAULT;
static const struct command all_commands[];
enum {
OPT_BOOTSTRAP_CA_CERT = UCHAR_MAX + 1,
DAEMON_OPTION_ENUMS,
+ TABLE_OPTION_ENUMS
};
static struct option long_options[] = {
- {"format", required_argument, 0, 'f'},
- {"data", required_argument, 0, 'd'},
- {"no-headings", no_argument, &output_headings, 0},
- {"pretty", no_argument, &json_flags, JSSF_PRETTY | JSSF_SORT},
{"verbose", optional_argument, 0, 'v'},
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
DAEMON_LONG_OPTIONS,
#ifdef HAVE_OPENSSL
{"bootstrap-ca-cert", required_argument, 0, OPT_BOOTSTRAP_CA_CERT},
+ TABLE_LONG_OPTIONS
STREAM_SSL_LONG_OPTIONS
#endif
{0, 0, 0, 0},
}
switch (c) {
- case 'f':
- if (!strcmp(optarg, "table")) {
- output_format = FMT_TABLE;
- } else if (!strcmp(optarg, "html")) {
- output_format = FMT_HTML;
- } else if (!strcmp(optarg, "csv")) {
- output_format = FMT_CSV;
- } else if (!strcmp(optarg, "json")) {
- output_format = FMT_JSON;
- } else {
- ovs_fatal(0, "unknown output format \"%s\"", optarg);
- }
- break;
-
- case 'd':
- if (!strcmp(optarg, "string")) {
- data_format = DF_STRING;
- } else if (!strcmp(optarg, "json")) {
- data_format = DF_JSON;
- } else {
- ovs_fatal(0, "unknown data format \"%s\"", optarg);
- }
- break;
-
case 'h':
usage();
DAEMON_OPTION_HANDLERS
+ TABLE_OPTION_HANDLERS(&table_style)
+
#ifdef HAVE_OPENSSL
STREAM_SSL_OPTION_HANDLERS
static void
print_json(struct json *json)
{
- char *string = json_to_string(json, json_flags);
+ char *string = json_to_string(json, table_style.json_flags);
fputs(string, stdout);
free(string);
}
return schema;
}
\f
-struct column {
- char *heading;
-};
-
-struct cell {
- /* Literal text. */
- char *text;
-
- /* JSON. */
- struct json *json;
- const struct ovsdb_type *type;
-};
-
-static const char *
-cell_to_text(const struct cell *cell_)
-{
- struct cell *cell = (struct cell *) cell_;
- if (!cell->text) {
- if (cell->json) {
- if (data_format == DF_JSON || !cell->type) {
- cell->text = json_to_string(cell->json, JSSF_SORT);
- } else if (data_format == DF_STRING) {
- struct ovsdb_datum datum;
- struct ovsdb_error *error;
- struct ds s;
-
- error = ovsdb_datum_from_json(&datum, cell->type, cell->json,
- NULL);
- if (!error) {
- ds_init(&s);
- ovsdb_datum_to_string(&datum, cell->type, &s);
- ovsdb_datum_destroy(&datum, cell->type);
- cell->text = ds_steal_cstr(&s);
- } else {
- cell->text = json_to_string(cell->json, JSSF_SORT);
- }
- } else {
- NOT_REACHED();
- }
- } else {
- cell->text = xstrdup("");
- }
- }
-
- return cell->text;
-}
-
-static void
-cell_destroy(struct cell *cell)
-{
- free(cell->text);
- json_destroy(cell->json);
-}
-
-struct table {
- struct cell *cells;
- struct column *columns;
- size_t n_columns, allocated_columns;
- size_t n_rows, allocated_rows;
- size_t current_column;
- char *caption;
-};
-
-static void
-table_init(struct table *table)
-{
- memset(table, 0, sizeof *table);
-}
-
-static void
-table_destroy(struct table *table)
-{
- size_t i;
-
- for (i = 0; i < table->n_columns; i++) {
- free(table->columns[i].heading);
- }
- free(table->columns);
-
- for (i = 0; i < table->n_columns * table->n_rows; i++) {
- cell_destroy(&table->cells[i]);
- }
- free(table->cells);
-
- free(table->caption);
-}
-
-static void
-table_set_caption(struct table *table, char *caption)
-{
- free(table->caption);
- table->caption = caption;
-}
-
-static void
-table_add_column(struct table *table, const char *heading, ...)
- PRINTF_FORMAT(2, 3);
-
-static void
-table_add_column(struct table *table, const char *heading, ...)
-{
- struct column *column;
- va_list args;
-
- assert(!table->n_rows);
- if (table->n_columns >= table->allocated_columns) {
- table->columns = x2nrealloc(table->columns, &table->allocated_columns,
- sizeof *table->columns);
- }
- column = &table->columns[table->n_columns++];
-
- va_start(args, heading);
- column->heading = xvasprintf(heading, args);
- va_end(args);
-}
-
-static struct cell *
-table_cell__(const struct table *table, size_t row, size_t column)
-{
- return &table->cells[column + row * table->n_columns];
-}
-
-static void
-table_add_row(struct table *table)
-{
- size_t x, y;
-
- if (table->n_rows >= table->allocated_rows) {
- table->cells = x2nrealloc(table->cells, &table->allocated_rows,
- table->n_columns * sizeof *table->cells);
- }
-
- y = table->n_rows++;
- table->current_column = 0;
- for (x = 0; x < table->n_columns; x++) {
- struct cell *cell = table_cell__(table, y, x);
- memset(cell, 0, sizeof *cell);
- }
-}
-
-static struct cell *
-table_add_cell(struct table *table)
-{
- size_t x, y;
-
- assert(table->n_rows > 0);
- assert(table->current_column < table->n_columns);
-
- x = table->current_column++;
- y = table->n_rows - 1;
-
- return table_cell__(table, y, x);
-}
-
-static void
-table_print_table_line__(struct ds *line)
-{
- puts(ds_cstr(line));
- ds_clear(line);
-}
-
-static void
-table_print_table__(const struct table *table)
-{
- static int n = 0;
- struct ds line = DS_EMPTY_INITIALIZER;
- int *widths;
- size_t x, y;
-
- if (n++ > 0) {
- putchar('\n');
- }
-
- if (table->caption) {
- puts(table->caption);
- }
-
- widths = xmalloc(table->n_columns * sizeof *widths);
- for (x = 0; x < table->n_columns; x++) {
- const struct column *column = &table->columns[x];
-
- widths[x] = strlen(column->heading);
- for (y = 0; y < table->n_rows; y++) {
- const char *text = cell_to_text(table_cell__(table, y, x));
- size_t length = strlen(text);
-
- if (length > widths[x])
- widths[x] = length;
- }
- }
-
- if (output_headings) {
- for (x = 0; x < table->n_columns; x++) {
- const struct column *column = &table->columns[x];
- if (x) {
- ds_put_char(&line, ' ');
- }
- ds_put_format(&line, "%-*s", widths[x], column->heading);
- }
- table_print_table_line__(&line);
-
- for (x = 0; x < table->n_columns; x++) {
- if (x) {
- ds_put_char(&line, ' ');
- }
- ds_put_char_multiple(&line, '-', widths[x]);
- }
- table_print_table_line__(&line);
- }
-
- for (y = 0; y < table->n_rows; y++) {
- for (x = 0; x < table->n_columns; x++) {
- const char *text = cell_to_text(table_cell__(table, y, x));
- if (x) {
- ds_put_char(&line, ' ');
- }
- ds_put_format(&line, "%-*s", widths[x], text);
- }
- table_print_table_line__(&line);
- }
-
- ds_destroy(&line);
- free(widths);
-}
-
-static void
-table_escape_html_text__(const char *s, size_t n)
-{
- size_t i;
-
- for (i = 0; i < n; i++) {
- char c = s[i];
-
- switch (c) {
- case '&':
- fputs("&", stdout);
- break;
- case '<':
- fputs("<", stdout);
- break;
- case '>':
- fputs(">", stdout);
- break;
- case '"':
- fputs(""", stdout);
- break;
- default:
- putchar(c);
- break;
- }
- }
-}
-
-static void
-table_print_html_cell__(const char *element, const char *content)
-{
- const char *p;
-
- printf(" <%s>", element);
- for (p = content; *p; ) {
- struct uuid uuid;
-
- if (uuid_from_string_prefix(&uuid, p)) {
- printf("<a href=\"#%.*s\">%.*s</a>", UUID_LEN, p, 8, p);
- p += UUID_LEN;
- } else {
- table_escape_html_text__(p, 1);
- p++;
- }
- }
- printf("</%s>\n", element);
-}
-
-static void
-table_print_html__(const struct table *table)
-{
- size_t x, y;
-
- fputs("<table border=1>\n", stdout);
-
- if (table->caption) {
- table_print_html_cell__("caption", table->caption);
- }
-
- if (output_headings) {
- fputs(" <tr>\n", stdout);
- for (x = 0; x < table->n_columns; x++) {
- const struct column *column = &table->columns[x];
- table_print_html_cell__("th", column->heading);
- }
- fputs(" </tr>\n", stdout);
- }
-
- for (y = 0; y < table->n_rows; y++) {
- fputs(" <tr>\n", stdout);
- for (x = 0; x < table->n_columns; x++) {
- const char *content = cell_to_text(table_cell__(table, y, x));
-
- if (!strcmp(table->columns[x].heading, "_uuid")) {
- fputs(" <td><a name=\"", stdout);
- table_escape_html_text__(content, strlen(content));
- fputs("\">", stdout);
- table_escape_html_text__(content, 8);
- fputs("</a></td>\n", stdout);
- } else {
- table_print_html_cell__("td", content);
- }
- }
- fputs(" </tr>\n", stdout);
- }
-
- fputs("</table>\n", stdout);
-}
-
-static void
-table_print_csv_cell__(const char *content)
-{
- const char *p;
-
- if (!strpbrk(content, "\n\",")) {
- fputs(content, stdout);
- } else {
- putchar('"');
- for (p = content; *p != '\0'; p++) {
- switch (*p) {
- case '"':
- fputs("\"\"", stdout);
- break;
- default:
- putchar(*p);
- break;
- }
- }
- putchar('"');
- }
-}
-
-static void
-table_print_csv__(const struct table *table)
-{
- static int n = 0;
- size_t x, y;
-
- if (n++ > 0) {
- putchar('\n');
- }
-
- if (table->caption) {
- puts(table->caption);
- }
-
- if (output_headings) {
- for (x = 0; x < table->n_columns; x++) {
- const struct column *column = &table->columns[x];
- if (x) {
- putchar(',');
- }
- table_print_csv_cell__(column->heading);
- }
- putchar('\n');
- }
-
- for (y = 0; y < table->n_rows; y++) {
- for (x = 0; x < table->n_columns; x++) {
- if (x) {
- putchar(',');
- }
- table_print_csv_cell__(cell_to_text(table_cell__(table, y, x)));
- }
- putchar('\n');
- }
-}
-
-static void
-table_print_json__(const struct table *table)
-{
- struct json *json, *headings, *data;
- size_t x, y;
- char *s;
-
- json = json_object_create();
- if (table->caption) {
- json_object_put_string(json, "caption", table->caption);
- }
-
- headings = json_array_create_empty();
- for (x = 0; x < table->n_columns; x++) {
- const struct column *column = &table->columns[x];
- json_array_add(headings, json_string_create(column->heading));
- }
- json_object_put(json, "headings", headings);
-
- data = json_array_create_empty();
- for (y = 0; y < table->n_rows; y++) {
- struct json *row = json_array_create_empty();
- for (x = 0; x < table->n_columns; x++) {
- const struct cell *cell = table_cell__(table, y, x);
- if (cell->text) {
- json_array_add(row, json_string_create(cell->text));
- } else {
- json_array_add(row, json_clone(cell->json));
- }
- }
- json_array_add(data, row);
- }
- json_object_put(json, "data", data);
-
- s = json_to_string(json, json_flags);
- json_destroy(json);
- puts(s);
- free(s);
-}
-
-static void
-table_print(const struct table *table)
-{
- switch (output_format) {
- case FMT_TABLE:
- table_print_table__(table);
- break;
-
- case FMT_HTML:
- table_print_html__(table);
- break;
-
- case FMT_CSV:
- table_print_csv__(table);
- break;
-
- case FMT_JSON:
- table_print_json__(table);
- break;
- }
-}
\f
static void
do_list_dbs(int argc OVS_UNUSED, char *argv[])
table_add_cell(&t)->text = xstrdup(ts->name);
}
ovsdb_schema_destroy(schema);
- table_print(&t);
+ table_print(&t, &table_style);
}
static void
}
}
ovsdb_schema_destroy(schema);
- table_print(&t);
+ table_print(&t, &table_style);
}
static void
}
if (reply->error) {
ovs_fatal(error, "transaction returned error: %s",
- json_to_string(reply->error, json_flags));
+ json_to_string(reply->error, table_style.json_flags));
}
print_json(reply->result);
putchar('\n');
monitor_print_row(new, "new", "", columns, &t);
}
}
- table_print(&t);
+ table_print(&t, &table_style);
table_destroy(&t);
}
cell->type = &columns[x]->type;
}
}
- table_print(&t);
+ table_print(&t, &table_style);
table_destroy(&t);
}
projects / openvswitch / commitdiff