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[v0.99] Simplify printer code that supports cutting text by adding a line buffer

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Dr-Noob
2021-08-21 13:25:40 +02:00
parent e63ef6008d
commit fbee621ca5
1 changed files with 103 additions and 46 deletions
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149
src/common/printer.c
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@@ -3,6 +3,7 @@
#include <stdio.h>
#include <stdbool.h>
#include <errno.h>
#include <stdarg.h>
#include "printer.h"
#include "ascii.h"
@@ -34,6 +35,7 @@
#include <unistd.h>
#endif
#define LINE_BUFFER_SIZE (1<<16)
#define MAX_ATTRIBUTES 100
#define MAX_TERM_SIZE 1024
@@ -149,6 +151,57 @@ struct ascii {
STYLE style;
};
struct line_buffer {
char* buf;
int pos;
int chars;
};
// Writes to the line buffer the output passed in fmt
void printOut(struct line_buffer* lbuf, int chars, const char *fmt, ...) {
int buffer_size = 4096;
char buffer[buffer_size];
va_list args;
va_start(args, fmt);
vsnprintf(buffer,buffer_size, fmt, args);
va_end(args);
if(lbuf->pos > LINE_BUFFER_SIZE) {
printBug("Line buffer size exceeded. Max is %d, current position is %d", lbuf->pos, LINE_BUFFER_SIZE);
}
else {
lbuf->pos += sprintf(lbuf->buf + lbuf->pos, "%s", buffer);
lbuf->chars += chars;
}
}
// Writes a full line (restricting the output length) using the line buffer
void printOutLine(struct line_buffer* lbuf, struct ascii* art, int termw) {
int chars_to_print = min(lbuf->chars, termw);
int pos = 0;
for(int i=0; i < chars_to_print; i++) {
while(lbuf->buf[pos] == '\x1b') {
// Skip color
while(lbuf->buf[pos] != 'm') {
printf("%c", lbuf->buf[pos]);
pos++;
}
printf("%c", lbuf->buf[pos]);
pos++;
}
printf("%c", lbuf->buf[pos]);
pos++;
}
// Make sure weset the color
printf("%s", art->reset);
lbuf->pos = 0;
lbuf->chars = 0;
}
void setAttribute(struct ascii* art, int type, char* value) {
art->attributes[art->n_attributes_set]->value = value;
art->attributes[art->n_attributes_set]->type = type;
@@ -219,16 +272,16 @@ struct ascii* set_ascii(VENDOR vendor, STYLE style) {
return art;
}
void parse_print_color(struct ascii* art, uint32_t* logo_pos) {
void parse_print_color(struct ascii* art, struct line_buffer* lbuf, uint32_t* logo_pos) {
struct ascii_logo* logo = art->art;
char color_id_str = logo->art[*logo_pos + 2];
if(color_id_str == 'R') {
printf("%s", art->reset);
printOut(lbuf, 0, "%s", art->reset);
}
else {
int color_id = (color_id_str - '0') - 1;
printf("%s", logo->color_ascii[color_id]);
printOut(lbuf, 0, "%s", logo->color_ascii[color_id]);
}
*logo_pos += 3;
@@ -369,18 +422,22 @@ uint32_t longest_field_length(struct ascii* art, int la) {
}
#if defined(ARCH_X86) || defined(ARCH_PPC)
void print_ascii_generic(struct ascii* art, uint32_t la, int32_t text_space, const char** attribute_fields) {
void print_ascii_generic(struct ascii* art, uint32_t la, int32_t termw, const char** attribute_fields) {
struct ascii_logo* logo = art->art;
int attr_to_print = 0;
int attr_type;
char* attr_value;
int32_t current_space;
int32_t space_right;
int32_t space_up = ((int)logo->height - (int)art->n_attributes_set)/2;
int32_t space_down = (int)logo->height - (int)art->n_attributes_set - (int)space_up;
uint32_t logo_pos = 0;
int32_t iters = max(logo->height, art->n_attributes_set);
struct line_buffer* lbuf = emalloc(sizeof(struct line_buffer));
lbuf->buf = emalloc(sizeof(char) * LINE_BUFFER_SIZE);
lbuf->pos = 0;
lbuf->chars = 0;
printf("\n");
for(int32_t n=0; n < iters; n++) {
// 1. Print logo
@@ -388,24 +445,24 @@ void print_ascii_generic(struct ascii* art, uint32_t la, int32_t text_space, con
for(uint32_t i=0; i < logo->width; i++) {
if(logo->art[logo_pos] == '$') {
if(logo->replace_blocks) logo_pos += 3;
else parse_print_color(art, &logo_pos);
else parse_print_color(art, lbuf, &logo_pos);
}
if(logo->replace_blocks && logo->art[logo_pos] != ' ') {
if(logo->art[logo_pos] == '#') printf("%s%c%s", logo->color_ascii[0], ' ', art->reset);
else if(logo->art[logo_pos] == '@') printf("%s%c%s", logo->color_ascii[1], ' ', art->reset);
else if(logo->art[logo_pos] == '%') printf("%s%c%s", logo->color_ascii[2], ' ', art->reset);
else printf("%c", logo->art[logo_pos]);
if(logo->art[logo_pos] == '#') printOut(lbuf, 1, "%s%c%s", logo->color_ascii[0], ' ', art->reset);
else if(logo->art[logo_pos] == '@') printOut(lbuf, 1, "%s%c%s", logo->color_ascii[1], ' ', art->reset);
else if(logo->art[logo_pos] == '%') printOut(lbuf, 1, "%s%c%s", logo->color_ascii[2], ' ', art->reset);
else printOut(lbuf, 1, "%c", logo->art[logo_pos]);
}
else
printf("%c", logo->art[logo_pos]);
printOut(lbuf, 1, "%c", logo->art[logo_pos]);
logo_pos++;
}
printf("%s", art->reset);
printOut(lbuf, 0, "%s", art->reset);
}
else {
// If logo should not be printed, fill with spaces
printf("%*c", logo->width, ' ');
printOut(lbuf, logo->width, "%*c", logo->width, ' ');
}
// 2. Print text
@@ -415,18 +472,16 @@ void print_ascii_generic(struct ascii* art, uint32_t la, int32_t text_space, con
attr_to_print++;
space_right = 1 + (la - strlen(attribute_fields[attr_type]));
current_space = max(0, text_space);
printf("%s%.*s%s", logo->color_text[0], current_space, attribute_fields[attr_type], art->reset);
current_space = max(0, current_space - (int) strlen(attribute_fields[attr_type]));
printf("%*s", min(current_space, space_right), "");
current_space = max(0, current_space - min(current_space, space_right));
printf("%s%.*s%s", logo->color_text[1], current_space, attr_value, art->reset);
printf("\n");
printOut(lbuf, strlen(attribute_fields[attr_type]) + space_right + strlen(attr_value),
"%s%s%s%*s%s%s%s", logo->color_text[0], attribute_fields[attr_type], art->reset, space_right, "", logo->color_text[1], attr_value, art->reset);
}
else printf("\n");
printOutLine(lbuf, art, termw);
printf("\n");
}
printf("\n");
free(lbuf->buf);
free(lbuf);
}
#endif
@@ -497,7 +552,7 @@ bool print_cpufetch_x86(struct cpuInfo* cpu, STYLE s, struct color** cs, struct
longest_attribute = longest_attribute_length(art, attribute_fields);
}
print_ascii_generic(art, longest_attribute, term->w - art->art->width, attribute_fields);
print_ascii_generic(art, longest_attribute, term->w, attribute_fields);
free(manufacturing_process);
free(max_frequency);
@@ -610,20 +665,24 @@ uint32_t longest_field_length_arm(struct ascii* art, int la) {
return max;
}
void print_ascii_arm(struct ascii* art, uint32_t la, int32_t text_space, const char** attribute_fields) {
void print_ascii_arm(struct ascii* art, uint32_t la, int32_t termw, const char** attribute_fields) {
struct ascii_logo* logo = art->art;
int attr_to_print = 0;
int attr_type;
char* attr_value;
int32_t beg_space;
int32_t limit_up;
int32_t limit_down;
uint32_t logo_pos = 0;
uint32_t space_right;
int32_t beg_space;
int32_t current_space;
int32_t space_up = ((int)logo->height - (int)art->n_attributes_set)/2;
int32_t space_down = (int)logo->height - (int)art->n_attributes_set - (int)space_up;
struct line_buffer* lbuf = emalloc(sizeof(struct line_buffer));
lbuf->buf = emalloc(sizeof(char) * LINE_BUFFER_SIZE);
lbuf->pos = 0;
lbuf->chars = 0;
if(art->n_attributes_set > logo->height) {
limit_up = 0;
limit_down = art->n_attributes_set;
@@ -642,24 +701,24 @@ void print_ascii_arm(struct ascii* art, uint32_t la, int32_t text_space, const c
for(uint32_t i=0; i < logo->width; i++) {
if(logo->art[logo_pos] == '$') {
if(logo->replace_blocks) logo_pos += 3;
else parse_print_color(art, &logo_pos);
else parse_print_color(art, lbuf, &logo_pos);
}
if(logo->replace_blocks && logo->art[logo_pos] != ' ') {
if(logo->art[logo_pos] == '#') printf("%s%c%s", logo->color_ascii[0], ' ', art->reset);
else if(logo->art[logo_pos] == '@') printf("%s%c%s", logo->color_ascii[1], ' ', art->reset);
else if(logo->art[logo_pos] == '%') printf("%s%c%s", logo->color_ascii[2], ' ', art->reset);
else printf("%c", logo->art[logo_pos]);
if(logo->art[logo_pos] == '#') printOut(lbuf, 1, "%s%c%s", logo->color_ascii[0], ' ', art->reset);
else if(logo->art[logo_pos] == '@') printOut(lbuf, 1, "%s%c%s", logo->color_ascii[1], ' ', art->reset);
else if(logo->art[logo_pos] == '%') printOut(lbuf, 1, "%s%c%s", logo->color_ascii[2], ' ', art->reset);
else printOut(lbuf, 1, "%c", logo->art[logo_pos]);
}
else
printf("%c", logo->art[logo_pos]);
printOut(lbuf, 1, "%c", logo->art[logo_pos]);
logo_pos++;
}
printf("%s", art->reset);
printOut(lbuf, 0, "%s", art->reset);
}
else {
// If logo should not be printed, fill with spaces
printf("%*c", logo->width, ' ');
printOut(lbuf, logo->width, "%*c", logo->width, ' ');
}
// 2. Print text
@@ -672,30 +731,28 @@ void print_ascii_arm(struct ascii* art, uint32_t la, int32_t text_space, const c
add_space = false;
}
if(attr_type == ATTRIBUTE_CPU_NUM) {
printf("%s%s%s\n", logo->color_text[0], attr_value, art->reset);
printOut(lbuf, strlen(attr_value), "%s%s%s", logo->color_text[0], attr_value, art->reset);
add_space = true;
}
else {
beg_space = 0;
space_right = 2 + 1 + (la - strlen(attribute_fields[attr_type]));
if(add_space) {
beg_space = 2;
space_right -= 2;
if(text_space >= 0) beg_space = 2;
}
//TODO: Cut text buggy
current_space = max(0, text_space);
printf("%*s%s%.*s%s", beg_space, "", logo->color_text[0], current_space, attribute_fields[attr_type], art->reset);
current_space = max(0, current_space - ((int) strlen(attribute_fields[attr_type]) + beg_space));
printf("%*s", min(current_space, space_right), "");
current_space = max(0, current_space - min(current_space, space_right));
printf("%s%.*s%s", logo->color_text[1], current_space, attr_value, art->reset);
printf("\n");
printOut(lbuf, beg_space + strlen(attribute_fields[attr_type]) + space_right + strlen(attr_value),
"%*s%s%s%s%*s%s%s%s", beg_space, "", logo->color_text[0], attribute_fields[attr_type], art->reset, space_right, "", logo->color_text[1], attr_value, art->reset);
}
}
else printf("\n");
printOutLine(lbuf, art, termw);
printf("\n");
}
printf("\n");
free(lbuf->buf);
free(lbuf);
}
bool print_cpufetch_arm(struct cpuInfo* cpu, STYLE s, struct color** cs, struct terminal* term) {
@@ -780,7 +837,7 @@ bool print_cpufetch_arm(struct cpuInfo* cpu, STYLE s, struct color** cs, struct
longest_attribute = longest_attribute_length(art, attribute_fields);
}
print_ascii_arm(art, longest_attribute, term->w - art->art->width, attribute_fields);
print_ascii_arm(art, longest_attribute, term->w, attribute_fields);
free(manufacturing_process);
free(pp);