3rd-party/libfort
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[R] Table printing refactoring

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This commit is contained in:
seleznevae
2018-01-05 23:38:11 +03:00
parent a2c793cda2
commit 6dc77bd5a1
3 changed files with 84 additions and 12 deletions
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1
include/fort.h
View File

@@ -110,6 +110,7 @@ struct fort_table_options
int cell_empty_string_height;
char hor_separator;
char ver_separator;
char header_hor_separator;
};
typedef struct fort_table_options fort_table_options_t;

88
src/fort.c
View File

@@ -48,6 +48,12 @@ SOFTWARE.
#define MIN(a,b) ((a) < (b) ? (a) : b)
enum F_BOOL
{
F_FALSE = 0,
F_TRUE = 1
};
#define STR_2_CAT_(arg1, arg2) \
arg1##arg2
@@ -180,7 +186,16 @@ static void* vector_at(vector_t*, size_t index);
//};
//typedef struct cell_options cell_options_t;
typedef fort_table_options_t context_t;
static fort_table_options_t g_table_options = {1, 1, 1, 1, 1, '=', '|'};
static fort_table_options_t g_table_options = {
1, /* cell_padding_top */
1, /* cell_padding_bottom */
1, /* cell_padding_left */
1, /* cell_padding_right */
1, /* cell_empty_string_height */
'=', /* hor_separator */
'|', /* ver_separator */
'=' /* header_hor_separator */
};
//static void set_cell_options(fort_table_options_t *dst_options, const fort_table_options_t *src_options)
//{
@@ -306,6 +321,7 @@ typedef struct fort_row fort_row_t;
struct fort_row
{
vector_t *cells;
enum F_BOOL is_header;
};
@@ -319,6 +335,7 @@ static fort_row_t * create_row()
F_FREE(row);
return NULL;
}
row->is_header = F_FALSE;
return row;
}
@@ -367,6 +384,50 @@ static const fort_cell_t *get_cell_c(const fort_row_t *row, size_t col)
return get_cell((fort_row_t *)row, col);
}
static int print_row_separator(char *buffer, size_t buffer_sz, size_t table_width,
const fort_row_t *upper_row, const fort_row_t *lower_row,
const context_t *context)
{
#define CHECK_RESULT_AND_MOVE_DEV(statement) \
k = statement; \
if (k < 0) {\
goto clear; \
} \
dev += k;
assert(buffer);
assert(context);
int dev = 0;
int k = 0;
const char *hor_separator = NULL;
const fort_row_t *main_row = NULL;
if (upper_row != NULL && lower_row != NULL) {
main_row = lower_row->is_header == F_TRUE ? lower_row : upper_row;
} else if (upper_row != NULL && lower_row == NULL) {
main_row = upper_row;
} else if (upper_row == NULL && lower_row != NULL) {
main_row = lower_row;
} else if (upper_row == NULL && lower_row == NULL) {
main_row = NULL;
}
hor_separator = (main_row && main_row->is_header == F_TRUE)
? &(context->header_hor_separator)
: &(context->hor_separator);
CHECK_RESULT_AND_MOVE_DEV(snprint_n_chars(buffer + dev, buffer_sz - dev, table_width - 1, *hor_separator));
CHECK_RESULT_AND_MOVE_DEV(snprint_n_chars(buffer + dev, buffer_sz - dev, 1, '\n'));
return dev;
clear:
return -1;
#undef CHECK_RESULT_AND_MOVE_DEV
}
/*****************************************************************************
* TABLE
@@ -516,6 +577,12 @@ int ft_hdr_printf(FTABLE *FORT_RESTRICT table, const char* FORT_RESTRICT fmt, ..
va_start(va, fmt);
int result = ft_row_printf_impl(table, 0, fmt, &va);
va_end(va);
if (result >= 0 && table->rows) {
int sz = vector_size(table->rows);
if (sz != 0) {
(*(fort_row_t**)vector_at(table->rows, sz - 1))->is_header = F_TRUE;
}
}
return result;
}
@@ -1051,21 +1118,26 @@ char* ft_to_string(const FTABLE *FORT_RESTRICT table)
size_t *row_height_arr = NULL;
status = table_rows_and_cols_geometry(table, &col_width_arr, &cols, &row_height_arr, &rows);
if (rows == 0)
return F_STRDUP("");
if (IS_ERROR(status))
return NULL;
int dev = 0;
int k = 0;
context_t *context = (table->options ? table->options : &g_table_options);
CHECK_RESULT_AND_MOVE_DEV(snprint_n_chars(buffer + dev, sz - dev, width - 1, context->hor_separator));
CHECK_RESULT_AND_MOVE_DEV(snprint_n_chars(buffer + dev, sz - dev, 1, '\n'));
fort_row_t *prev_row = NULL;
fort_row_t *cur_row = NULL;
for (size_t i = 0; i < rows; ++i) {
fort_row_t *row = *(fort_row_t**)vector_at(table->rows, i);
CHECK_RESULT_AND_MOVE_DEV(snprintf_row(row, buffer + dev, sz - dev, col_width_arr, cols, row_height_arr[i], context));
CHECK_RESULT_AND_MOVE_DEV(snprint_n_chars(buffer + dev, sz - dev, width - 1, context->hor_separator));
CHECK_RESULT_AND_MOVE_DEV(snprint_n_chars(buffer + dev, sz - dev, 1, '\n'));
cur_row = *(fort_row_t**)vector_at(table->rows, i);
CHECK_RESULT_AND_MOVE_DEV(print_row_separator(buffer + dev, sz - dev, width, prev_row, cur_row, context));
CHECK_RESULT_AND_MOVE_DEV(snprintf_row(cur_row, buffer + dev, sz - dev, col_width_arr, cols, row_height_arr[i], context));
prev_row = cur_row;
}
cur_row = NULL;
CHECK_RESULT_AND_MOVE_DEV(print_row_separator(buffer + dev, sz - dev, width, prev_row, cur_row, context));
F_FREE(col_width_arr);
F_FREE(row_height_arr);

7
tests/test_table.c
View File

@@ -390,7 +390,6 @@ void test_table_options(void **state)
ft_destroy_table(table);
}
WHEN("Empty string has 0 heigt") {
fort_table_options_t table_options;
memcpy(&table_options, &def_options, sizeof(fort_table_options_t));
@@ -432,12 +431,12 @@ void test_table_options(void **state)
ft_destroy_table(table);
}
WHEN("Changing cell separators") {
fort_table_options_t table_options;
memcpy(&table_options, &def_options, sizeof(fort_table_options_t));
table_options.hor_separator = '|';
table_options.ver_separator = '=';
table_options.header_hor_separator = '*';
ft_set_default_options(&table_options);
@@ -447,11 +446,11 @@ void test_table_options(void **state)
char *table_str = ft_to_string(table);
assert_true( table_str != NULL );
const char *table_str_etalon =
"|||||||||||||||||||\n"
"*******************\n"
"= = = = =\n"
"= 3 = 4 = 55 = 67 =\n"
"= = = = =\n"
"|||||||||||||||||||\n"
"*******************\n"
"= = = = =\n"
"= 3 = 4 = 55 = 67 =\n"
"= = = = =\n"