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/*Rana: a better syntax to markup*/
#include <string>
#include <cstdio> //file i/o
#include <cstdlib> //exit()
#include <vector>
#include "helper.h"
using namespace std;
string infile = "\0", outfile = "\0", o_ext = "\0";
int mode = NEW_TAG;
vector<string> tag_names;
int parseArgs(int argc, char** argv);
vector<unsigned char> ftov(string fileName);
int main (int argc, char** argv){
int res = parseArgs(argc, argv);
if (res < 0){
printf(help());
return res;
}
if (infile == "\0") {
printf(help());
return WRONG_INPUT_FILE;
}
if (outfile == "\0") {
if (has_suffix(infile, '.' + EXT))
outfile = split(infile, '.')[0] + '.' + (o_ext == "\0" ? "html" : o_ext);
else if (is_markup(infile))
outfile = split(infile, '.')[0] + '.' + EXT;
else {
printf(help());
return WRONG_OUTPUT_FILE;
}
}
vector<unsigned char> v = ftov(infile);
if (FILE *out = fopen(outfile.c_str(), "w")) {
string tag_name = "";
bool quoting = false;
for (int i = 0; i < v.size(); i++) {
switch (v.at(i)) {
case '(':
mode = ARGUMENTS;
break;
case '{':
if (mode != ARGUMENTS) mode = CONTENT;
break;
case '}':
if (mode != ARGUMENTS) mode = NEXT_TAG;
break;
case ')':
mode = EXPECT_CONTENT;
break;
case '"':
if (!is_escaped(v, i) && mode != ARGUMENTS)
mode = QUOTING_INGORE_QUOTES;
break;
case ' ':
case '\n':
case '\t':
if (mode != ARGUMENTS)
mode = COPY;
break;
default:
if (mode != ARGUMENTS)
mode = NEW_TAG;
}
switch (mode) {
case ARGUMENTS:
if (v.at(i) == '(' && !quoting && v.at(i + 1) != ')')
fprintf(out, " ");
else if (v.at(i) != '(') fprintf(out, "%c", v.at(i));
if (v.at(i) == '"' && !is_escaped(v, i))
quoting = !quoting;
break;
case CONTENT:
mode = COPY;
break;
case NEXT_TAG:
fprintf(out, "</%s>", tag_names.at(tag_names.size() - 1).c_str());
tag_names.pop_back();
mode = COPY;
break;
case EXPECT_CONTENT:
fprintf(out, "%c", '>');
mode = COPY;
break;
case NEW_TAG:
tag_name = "";
for (; v.at(i) != '(' && i < v.size(); i++)
tag_name += v.at(i);
tag_names.push_back(tag_name);
fprintf(out, "<%s", tag_name.c_str());
mode = COPY;
i--;
break;
case QUOTING_INGORE_QUOTES:
i++;
while (v.at(i) != '"' || (v.at(i) == '"' && is_escaped(v, i))) {
if (v.at(i) == '\\') {
for (; v.at(i) == '\\'; i++);
if (v.at(i) == '"' && is_escaped(v, i)) {
fprintf(out, "%c", v.at(i));
i++;
}
else
for (i--; v.at(i) == '\\'; i++)
if (is_escaped(v, i)) fprintf(out, "%c", v.at(i));
}
else {
fprintf(out, "%c", v.at(i));
i++;
}
}
break;
case COPY:
fprintf(out, "%c", v.at(i));
break;
}
}
fclose(out);
} else {
printf("unable to write to output. do you have the required permissions?\n");
return NO_PERMISSIONS;
}
return 0;
}
int parseArgs(int argc, char** argv) {
int ignore = -1;
char argfor = '\0';
for (int i = 1; i < argc; i++) {
if (argv[i][0] != '-' && i != ignore) {
infile = argv[i];
ignore = -1;
} else if (argfor != '\0') {
switch (argfor) {
case 'o':
outfile = argv[i];
break;
case 'e':
o_ext = argv[i];
break;
default:
return WRONG_OPTION;
}
argfor = '\0';
} else if (req_arg(argv[i][1])){
ignore = i + 1;
argfor = argv[i][1];
} else
switch (argv[i][1]) {
case 'v':
printf("%s\n", VERSION);
return 0;
case 'h':
printf(help());
return 0;
case 'l':
printf(license());
return 0;
default:
return WRONG_OPTION;
}
}
return 0;
}
vector<unsigned char> ftov(string fileName) {
vector<unsigned char> tmp;
if (FILE *fp = fopen(fileName.c_str(), "r")) {
char buf[1024];
while (size_t len = fread(buf, 1, sizeof(buf), fp))
tmp.insert(tmp.end(), buf, buf + len);
fclose(fp);
} else {
printf("Unable to open \"%s\".\n", fileName.c_str());
exit(WRONG_INPUT_FILE);
}
return tmp;
}
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