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txtToHTML
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Refactored the whole thing

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Reworked the entire text handling system and a few other things.
master
Reese 2 years ago
parent c0350465ba
commit 31ce9ca8e1
2 changed files with 225 additions and 69 deletions
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7
make.sh
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@ -4,6 +4,7 @@ BINARY_NAME='txtToHTML'
mkdir -p ./bin
musl-clang -O3 -Wall -static "./src/$PROGRAM_NAME" -o "./bin/$BINARY_NAME"
#clang -O3 -Wall "./src/$PROGRAM_NAME" -o "./bin/$BINARY_NAME"
# you can use basically any C compiler you want
# musl-clang -O3 -Wall -Wextra -Wpedantic -Wconversion -static "./src/$PROGRAM_NAME" -o "./bin/$BINARY_NAME"
# tcc src/$PROGRAM_NAME -o bin/$BINARY_NAME
cc src/$PROGRAM_NAME -o bin/$BINARY_NAME

287
src/txtToHTML.c
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@ -3,7 +3,6 @@
#include <string.h>
#include <stdio.h>
/*
* This is free and unencumbered software released into the public domain.
*
@ -32,16 +31,7 @@
*
*/
#define VERSION "0.43" /* yes i pulled a number out of my hat please cope */
#define checkCloseAndPrint(thing,openTxt,closeTxt) \
if (close.thing) { \
fputs(closeTxt,stdout); \
close.thing = 0; \
} else { \
fputs(openTxt,stdout); \
close.thing = 1; \
}
#define VERSION "0.45"
typedef struct {
size_t position;
@ -59,21 +49,27 @@ struct closeThings {
void reallocBuffer(Buffer *buffer) {
buffer->size += 1024;
buffer->data = realloc(buffer->data,buffer->size);
buffer->data = realloc(buffer->data,buffer->size+1); /* Adding one ensures we always have a null terminator */
if (!buffer->data) {
printf("Error realloc-ing buffer!");
exit(1);
}
}
/* Yes I am not using most of these at the moment but I might in the future so they shall remain */
void checkBufSafety(Buffer *buffer) {
if ((buffer->size < (buffer->position - 64)) || ((buffer->size - 64) < 0)) {
reallocBuffer(buffer);
}
}
void appendBufferToBuffer(Buffer *buffer, Buffer *dataBuffer) {
for (size_t i = 0;i < dataBuffer->size;i++) {
if (dataBuffer->data[i] == 0x00) break; /* stop on NULL */
buffer->data[buffer->position] = dataBuffer->data[i];
buffer->position++;
if ((buffer->position > buffer->size-64) || (buffer->size-64 < 0)) {
reallocBuffer(buffer);
}
checkBufSafety(buffer);
}
}
@ -81,6 +77,7 @@ void appendCharPToBuffer(char *string, Buffer *buffer) {
size_t stringLen = strlen(string);
for (size_t i = 0;i < stringLen;i++) {
checkBufSafety(buffer);
buffer->data[buffer->position+i] = string[i];
buffer->position++;
}
@ -89,8 +86,193 @@ void appendCharPToBuffer(char *string, Buffer *buffer) {
void appendCharToBuffer(char character, Buffer *buffer) {
buffer->data[buffer->position] = character;
buffer->position++;
if ((buffer->position > buffer->size-64) || (buffer->size-64 < 0)) {
reallocBuffer(buffer);
checkBufSafety(buffer);
}
/* I'm gonna leave this as a define for now */
#define checkCloseAndPrint(thing,openTxt,closeTxt) \
if (close->thing) { \
fputs(closeTxt,stdout); \
close->thing = 0; \
} else { \
fputs(openTxt,stdout); \
close->thing = 1; \
}
void getFormattingAndPrint(char character,struct closeThings *close) {
int characterInt;
int cont;
switch (character) {
case '\\': /* character escaping */
putc((char)fgetc(stdin),stdout);
break;
case '*': /* bold */
checkCloseAndPrint(Bold,"<b>","</b>");
break;
case '/': /* italics */
checkCloseAndPrint(Italics,"<i>","</i>");
break;
case '`': /* monospace */
checkCloseAndPrint(Monospace,"<code>","</code>");
break;
case '~': /* strikethrough */
checkCloseAndPrint(Strikethrough,"<del>","</del>");
break;
case '_': /* underline */
checkCloseAndPrint(Underline,"<ins>","</ins>");
break;
case '\n': /* convert newlines */
puts("<br>");
break;
case '[': /* links */
;Buffer linkTxt;
linkTxt.size = 1024;
linkTxt.position = 0;
linkTxt.data = calloc(linkTxt.size+1,sizeof(char));
Buffer linkLoc;
linkLoc.size = 1024;
linkLoc.position = 0;
linkLoc.data = calloc(linkLoc.size+1,sizeof(char));
characterInt = '\n';
cont = 0;
while (1) {
characterInt = fgetc(stdin);
character = (char)characterInt;
if (characterInt == EOF) {
puts("Stream ended before link text finished!");
exit(1);
}
if (character == '\\') {
cont = 1;
continue;
}
if (cont) {
cont = 0;
checkBufSafety(&linkTxt);
appendCharToBuffer(character,&linkTxt);
continue;
}
checkBufSafety(&linkTxt);
appendCharToBuffer(character,&linkTxt);
if (character == ']') break;
}
linkTxt.data[--linkTxt.position] = 0;
fgetc(stdin); /* Get past the '(' in the location */
while (1) {
characterInt = fgetc(stdin);
character = (char)characterInt;
if (characterInt == EOF) {
puts("Stream ended before link location finished!");
exit(1);
}
if (character == '\\') {
cont = 1;
continue;
}
if (cont) {
cont = 0;
checkBufSafety(&linkLoc);
appendCharToBuffer(character,&linkLoc);
continue;
}
checkBufSafety(&linkLoc);
appendCharToBuffer(character,&linkLoc);
if (character == ')') break;
}
linkLoc.data[--linkLoc.position] = 0;
printf("<a href=\"%s\">%s</a>",linkLoc.data,linkTxt.data);
free(linkLoc.data);
free(linkTxt.data);
break;
case '{': /* images */
;Buffer imgTxt;
imgTxt.size = 1024;
imgTxt.position = 0;
imgTxt.data = calloc(imgTxt.size+1,sizeof(char));
Buffer imgLoc;
imgLoc.size = 1024;
imgLoc.position = 0;
imgLoc.data = calloc(imgLoc.size+1,sizeof(char));
characterInt = '\n';
cont = 0;
while (1) {
characterInt = fgetc(stdin);
character = (char)characterInt;
if (characterInt == EOF) {
puts("Stream ended before link text finished!");
exit(1);
}
if (character == '\\') {
cont = 1;
continue;
}
if (cont) {
cont = 0;
checkBufSafety(&imgLoc);
appendCharToBuffer(character,&imgLoc);
continue;
}
checkBufSafety(&imgLoc);
appendCharToBuffer(character,&imgLoc);
if (character == '}') break;
}
imgLoc.data[--imgLoc.position] = 0;
fgetc(stdin); /* Get past the '(' in the alt text */
while (1) {
characterInt = fgetc(stdin);
character = (char)characterInt;
if (characterInt == EOF) {
puts("Stream ended before link location finished!");
exit(1);
}
if (character == '\\') {
cont = 1;
continue;
}
if (cont) {
cont = 0;
checkBufSafety(&imgTxt);
appendCharToBuffer(character,&imgTxt);
continue;
}
checkBufSafety(&imgTxt);
appendCharToBuffer(character,&imgTxt);
if (character == ')') break;
}
imgTxt.data[--imgTxt.position] = 0;
printf("<img alt=\"%s\" src=\"%s\">",imgTxt.data,imgLoc.data);
free(imgTxt.data);
free(imgLoc.data);
break;
default: /* it is a normal character print to stdout */
putc(character,stdout);
break;
}
}
@ -98,66 +280,39 @@ int main(int argc, char **argv) {
(void)argv; /* this stops it from yelling at me :) */
if (argc > 1) {
printf("txtToHTML V %s\n",VERSION);
printf(" Usage:\n");
printf(" cat coolthing.txt | txtToHTML > coolthing.html\n");
printf(" Special characters:\n");
printf(" * = bold\n");
printf(" / = italic\n");
printf(" ` = monospace\n");
printf(" ~ = strikethrough\n");
printf(" _ = underline\n");
printf(" markdown style links are available\n");
printf(" you can escape any character with \\ and it will not be used for formatting\n");
fputs(
"txtToHTML V"VERSION"\n" /* god I love the way C handles strings in the compiler */
" Usage:\n"
" cat coolthing.txt | txtToHTML > coolthing.html\n"
" Special characters:\n"
" * = bold\n"
" / = italic\n"
" ` = monospace\n"
" ~ = strikethrough\n"
" _ = underline\n"
" Markdown style links are available/\n"
" You can create images like so:\n"
" {https://image.location/img.gif}(Required alt text)\n"
" Alt text is required for images.\n"
" you can escape any character with \\ and it will not be used for formatting\n",
stderr);
exit(1);
}
char character = 'a';
int characterInt = 'a';
struct closeThings close;
while(characterInt != EOF) {
struct closeThings close = {0,0,0,0,0}; /* Make sure it starts as zero so we do not get fucky shit */
while (1) {
characterInt = fgetc(stdin);
character = (char)characterInt;
if (characterInt == EOF) break;
switch (character) {
case '\\': /* character escaping */
putc((char)fgetc(stdin),stdout);
break;
case '*': /* bold */
checkCloseAndPrint(Bold,"<b>","</b>");
break;
case '/': /* italics */
checkCloseAndPrint(Bold,"<i>","</i>");
break;
case '`': /* monospace */
checkCloseAndPrint(Bold,"<code>","</code>");
break;
case '~': /* strikethrough */
checkCloseAndPrint(Bold,"<del>","</del>");
break;
case '_': /* underline */
checkCloseAndPrint(Bold,"<ins>","</ins>");
break;
case '[':
break;
case '{': /* images */
break;
case '\n': /* convert newlines */
puts("<br>");
break;
default: /* it is a normal character append to buffer */
putc(character,stdout);
break;
}
getFormattingAndPrint(character,&close);
}
puts("");
fflush(stdout);
return 0;
}

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