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Add --tab and -indent n options

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This commit is contained in:
Nicolas Williams
2015-06-03 20:20:11 -05:00
parent 74ecb88935
commit 24a5e5b1b1
4 changed files with 58 additions and 22 deletions
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8
docs/content/3.manual/manual.yml
View File

@@ -140,6 +140,14 @@ sections:
will result in more compact output by instead putting each
JSON object on a single line.
* `--tab`:
Use a tab for each indentation level instead of two spaces.
* `--indent n`:
Use the given number of spaces (no more than 8) for indentation.
* `--colour-output` / `-C` and `--monochrome-output` / `-M`:
By default, jq outputs colored JSON if writing to a

8
jv.h
View File

@@ -159,14 +159,20 @@ jv jv_object_iter_value(jv, int);
int jv_get_refcnt(jv);
enum {
enum jv_print_flags {
JV_PRINT_PRETTY = 1,
JV_PRINT_ASCII = 2,
JV_PRINT_COLOUR = 4,
JV_PRINT_SORTED = 8,
JV_PRINT_INVALID = 16,
JV_PRINT_REFCOUNT = 32,
JV_PRINT_TAB = 64,
JV_PRINT_SPACE0 = 256,
JV_PRINT_SPACE1 = 512,
JV_PRINT_SPACE2 = 1024,
};
#define JV_PRINT_INDENT_FLAGS(n) \
((n) < 0 || (n) > 7 ? JV_PRINT_TAB | JV_PRINT_PRETTY : (n) == 0 ? 0 : (n) << 8 | JV_PRINT_PRETTY)
void jv_dumpf(jv, FILE *f, int flags);
void jv_dump(jv, int flags);
void jv_show(jv, int flags);

31
jv_print.c
View File

@@ -37,9 +37,14 @@ static void put_str(const char* s, FILE* fout, jv* strout) {
put_buf(s, strlen(s), fout, strout);
}
static void put_space(int n, FILE* fout, jv* strout) {
while (n--) {
put_char(' ', fout, strout);
static void put_indent(int n, int flags, FILE* fout, jv* strout) {
if (flags & JV_PRINT_TAB) {
while (n--)
put_char('\t', fout, strout);
} else {
n *= ((flags & (JV_PRINT_SPACE0 | JV_PRINT_SPACE1 | JV_PRINT_SPACE2)) >> 8);
while (n--)
put_char(' ', fout, strout);
}
}
@@ -110,8 +115,6 @@ static void jvp_dump_string(jv str, int ascii_only, FILE* F, jv* S) {
put_char('"', F, S);
}
enum { INDENT = 2 };
static void put_refcnt(struct dtoa_context* C, int refcnt, FILE *F, jv* S){
char buf[JVP_DTOA_FMT_MAX_LEN];
put_char(' ', F, S);
@@ -184,23 +187,23 @@ static void jv_dump_term(struct dtoa_context* C, jv x, int flags, int indent, FI
put_str("[", F, S);
if (flags & JV_PRINT_PRETTY) {
put_char('\n', F, S);
put_space(indent+INDENT, F, S);
put_indent(indent + 1, flags, F, S);
}
jv_array_foreach(x, i, elem) {
if (i!=0) {
if (flags & JV_PRINT_PRETTY) {
put_str(",\n", F, S);
put_space(indent+INDENT, F, S);
put_indent(indent + 1, flags, F, S);
} else {
put_str(",", F, S);
}
}
jv_dump_term(C, elem, flags, indent + INDENT, F, S);
jv_dump_term(C, elem, flags, indent + 1, F, S);
if (colour) put_str(colour, F, S);
}
if (flags & JV_PRINT_PRETTY) {
put_char('\n', F, S);
put_space(indent, F, S);
put_indent(indent, flags, F, S);
}
if (colour) put_str(colour, F, S);
put_char(']', F, S);
@@ -216,7 +219,7 @@ static void jv_dump_term(struct dtoa_context* C, jv x, int flags, int indent, FI
put_char('{', F, S);
if (flags & JV_PRINT_PRETTY) {
put_char('\n', F, S);
put_space(indent+INDENT, F, S);
put_indent(indent + 1, flags, F, S);
}
int first = 1;
int i = 0;
@@ -250,7 +253,7 @@ static void jv_dump_term(struct dtoa_context* C, jv x, int flags, int indent, FI
if (!first) {
if (flags & JV_PRINT_PRETTY){
put_str(",\n", F, S);
put_space(indent+INDENT, F, S);
put_indent(indent + 1, flags, F, S);
} else {
put_str(",", F, S);
}
@@ -267,12 +270,12 @@ static void jv_dump_term(struct dtoa_context* C, jv x, int flags, int indent, FI
put_str((flags & JV_PRINT_PRETTY) ? ": " : ":", F, S);
if (colour) put_str(COLRESET, F, S);
jv_dump_term(C, value, flags, indent + INDENT, F, S);
jv_dump_term(C, value, flags, indent + 1, F, S);
if (colour) put_str(colour, F, S);
}
if (flags & JV_PRINT_PRETTY) {
put_char('\n', F, S);
put_space(indent, F, S);
put_indent(indent, flags, F, S);
}
if (colour) put_str(colour, F, S);
put_char('}', F, S);
@@ -300,7 +303,7 @@ void jv_dump(jv x, int flags) {
/* This one is nice for use in debuggers */
void jv_show(jv x, int flags) {
if (flags == -1)
flags = JV_PRINT_PRETTY | JV_PRINT_COLOUR;
flags = JV_PRINT_PRETTY | JV_PRINT_COLOUR | JV_PRINT_INDENT_FLAGS(2);
jv_dumpf(jv_copy(x), stderr, flags | JV_PRINT_INVALID);
fflush(stderr);
}

33
main.c
View File

@@ -48,6 +48,7 @@ static void usage(int code) {
"\t -C\t\tcolorize JSON;\n"
"\t -M\t\tmonochrome (don't colorize JSON);\n"
"\t -S\t\tsort keys of objects on output;\n"
"\t --tab\tuse tabs for indentation;\n"
"\t --arg a v\tset variable $a to value <v>;\n"
"\t --argjson a v\tset variable $a to JSON value <v>;\n"
"\t --slurpfile a f\tset variable $a to an array of JSON texts read from <f>;\n"
@@ -91,7 +92,6 @@ enum {
RAW_INPUT = 2,
PROVIDE_NULL = 4,
RAW_OUTPUT = 8,
COMPACT_OUTPUT = 16,
ASCII_OUTPUT = 32,
COLOUR_OUTPUT = 64,
NO_COLOUR_OUTPUT = 128,
@@ -174,6 +174,7 @@ int main(int argc, char* argv[]) {
goto out;
}
int dumpopts = JV_PRINT_INDENT_FLAGS(2);
const char* program = 0;
jq_util_input_state input_state = jq_util_input_init(NULL, NULL); // XXX add err_cb
@@ -221,7 +222,7 @@ int main(int argc, char* argv[]) {
if (!short_opts) continue;
}
if (isoption(argv[i], 'c', "compact-output", &short_opts)) {
options |= COMPACT_OUTPUT;
dumpopts &= ~(JV_PRINT_TAB | JV_PRINT_INDENT_FLAGS(7));
if (!short_opts) continue;
}
if (isoption(argv[i], 'C', "color-output", &short_opts)) {
@@ -260,6 +261,26 @@ int main(int argc, char* argv[]) {
options |= RAW_OUTPUT | RAW_NO_LF;
if (!short_opts) continue;
}
if (isoption(argv[i], 0, "tab", &short_opts)) {
dumpopts &= ~JV_PRINT_INDENT_FLAGS(7);
dumpopts |= JV_PRINT_TAB | JV_PRINT_PRETTY;
if (!short_opts) continue;
}
if (isoption(argv[i], 0, "indent", &short_opts)) {
if (i >= argc - 1) {
fprintf(stderr, "%s: --indent takes one parameter\n", progname);
die();
}
dumpopts &= ~(JV_PRINT_TAB | JV_PRINT_INDENT_FLAGS(7));
int indent = atoi(argv[i+1]);
if (indent < -1 || indent > 7) {
fprintf(stderr, "%s: --indent takes a number between -1 and 7\n", progname);
die();
}
dumpopts |= JV_PRINT_INDENT_FLAGS(indent);
i++;
if (!short_opts) continue;
}
if (isoption(argv[i], 0, "seq", &short_opts)) {
options |= SEQ;
if (!short_opts) continue;
@@ -279,7 +300,7 @@ int main(int argc, char* argv[]) {
// FIXME: For --arg* we should check that the varname is acceptable
if (isoption(argv[i], 0, "arg", &short_opts)) {
if (i >= argc - 2) {
fprintf(stderr, "%s: --arg takes two parameters (e.g. -a varname value)\n", progname);
fprintf(stderr, "%s: --arg takes two parameters (e.g. --arg varname value)\n", progname);
die();
}
jv arg = jv_object();
@@ -291,7 +312,7 @@ int main(int argc, char* argv[]) {
}
if (isoption(argv[i], 0, "argjson", &short_opts)) {
if (i >= argc - 2) {
fprintf(stderr, "%s: --argjson takes two parameters (e.g. -a varname text)\n", progname);
fprintf(stderr, "%s: --argjson takes two parameters (e.g. --argjson varname text)\n", progname);
die();
}
jv v = jv_parse(argv[i+2]);
@@ -314,7 +335,7 @@ int main(int argc, char* argv[]) {
else
which = "slurpfile";
if (i >= argc - 2) {
fprintf(stderr, "%s: --%s takes two parameters (e.g. -a varname filename)\n", progname, which);
fprintf(stderr, "%s: --%s takes two parameters (e.g. --%s varname filename)\n", progname, which, which);
die();
}
jv arg = jv_object();
@@ -370,7 +391,6 @@ int main(int argc, char* argv[]) {
}
}
int dumpopts = 0;
#ifndef WIN32
/* Disable colour by default on Windows builds as Windows
terminals tend not to display it correctly */
@@ -378,7 +398,6 @@ int main(int argc, char* argv[]) {
dumpopts |= JV_PRINT_COLOUR;
#endif
if (options & SORTED_OUTPUT) dumpopts |= JV_PRINT_SORTED;
if (!(options & COMPACT_OUTPUT)) dumpopts |= JV_PRINT_PRETTY;
if (options & ASCII_OUTPUT) dumpopts |= JV_PRINT_ASCII;
if (options & COLOUR_OUTPUT) dumpopts |= JV_PRINT_COLOUR;
if (options & NO_COLOUR_OUTPUT) dumpopts &= ~JV_PRINT_COLOUR;