# SPDX-License-Identifier: BSD-2-Clause # # Copyright (C) 2019, Raspberry Pi (Trading) Limited # # ctt_pretty_print_json.py - camera tuning tool JSON formatter import sys class JSONPrettyPrinter(object): """ Take a collapsed JSON file and make it more readable """ def __init__(self, fout): self.state = { "indent": 0, "inarray": [False], "arraycount": [], "skipnewline": True, "need_indent": False, "need_space": False, } self.fout = fout def newline(self): if not self.state["skipnewline"]: self.fout.write('\n') self.state["need_indent"] = True self.state["need_space"] = False self.state["skipnewline"] = True def write(self, c): if self.state["need_indent"]: self.fout.write(' ' * self.state["indent"] * 4) self.state["need_indent"] = False if self.state["need_space"]: self.fout.write(' ') self.state["need_space"] = False self.fout.write(c) self.state["skipnewline"] = False def process_char(self, c): if c == '{': self.newline() self.write(c) self.state["indent"] += 1 self.newline() elif c == '}': self.state["indent"] -= 1 self.newline() self.write(c) elif c == '[': self.newline() self.write(c) self.state["indent"] += 1 self.newline() self.state["inarray"] = [True] + self.state["inarray"] self.state["arraycount"] = [0] + self.state["arraycount"] elif c == ']': self.state["indent"] -= 1 self.newline() self.state["inarray"].pop(0) self.state["arraycount"].pop(0) self.write(c) elif c == ':': self.write(c) self.state["need_space"] = True elif c == ',': if not self.state["inarray"][0]: self.write(c) self.newline() else: self.write(c) self.state["arraycount"][0] += 1 if self.state["arraycount"][0] == 16: self.state["arraycount"][0] = 0 self.newline() else: self.state["need_space"] = True elif c.isspace(): pass else: self.write(c) def print(self, string): for c in string: self.process_char(c) self.newline() def pretty_print_json(str_in, output_filename): with open(output_filename, "w") as fout: printer = JSONPrettyPrinter(fout) printer.print(str_in) if __name__ == '__main__': if len(sys.argv) != 2: print("Usage: %s filename" % sys.argv[0]) sys.exit(1) input_filename = sys.argv[1] with open(input_filename, "r") as fin: printer = JSONPrettyPrinter(sys.stdout) printer.print(fin.read()) chartl/libcamera.git/tree/src?h=rpi/streams/next&id=bc5cd599b2c0b807ce503912d4af8750fe3b2dab'>src/gstreamer/gstlibcamerasrc.cpp
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