JR_FLT_KV

Table of Contents

JR_FLT_KV

Description

Read a float key-value pair if key matches.

Parameters

NameDirectionDescription
siin,outJSON stream iterator to read from.
kinExpected key name (C-string).
foutFloat variable to store the value.

Usage example (from documentation)

  JR_FLT_KV(si, "x_axis_val", obj.data.x);

Success

f contains value if key matched

Failure

No-op if key does not match

Usage example (Cross-references)

    JR_OBJ(si, {
    JR_INT_KV(si, "count", count);
    JR_FLT_KV(si, "score", score);
    JR_INT_KV(si, "year", year);
    });
    JR_INT_KV(si, "age", person.age);
    JR_BOOL_KV(si, "is_active", person.is_active);
    JR_FLT_KV(si, "salary", person.salary);
    });
    JR_INT_KV(si, "id", product.id);
    JR_STR_KV(si, "name", product.name);
    JR_FLT_KV(si, "price", product.price);
    JR_ARR_KV(si, "tags", {
    Str tag = StrInit();
    JR_OBJ(si, {
    JR_INT_KV(si, "temp", obj.temp);
    JR_FLT_KV(si, "balance", obj.balance);
    JR_FLT_KV(si, "delta", obj.delta);
    });
    JR_INT_KV(si, "temp", obj.temp);
    JR_FLT_KV(si, "balance", obj.balance);
    JR_FLT_KV(si, "delta", obj.delta);
    });
    JR_OBJ(si, {
    JR_INT_KV(si, "big_int", obj.big_int);
    JR_FLT_KV(si, "big_float", obj.big_float);
    JR_FLT_KV(si, "small_float", obj.small_float);
    });
    JR_INT_KV(si, "big_int", obj.big_int);
    JR_FLT_KV(si, "big_float", obj.big_float);
    JR_FLT_KV(si, "small_float", obj.small_float);
    });
    JR_OBJ(si, {
    JR_INT_KV(si, "int_zero", obj.int_zero);
    JR_FLT_KV(si, "float_zero", obj.float_zero);
    JR_BOOL_KV(si, "bool_false", obj.bool_false);
    });
    
    JR_OBJ(si, {
    JR_FLT_KV(si, "tiny", obj.tiny);
    JR_FLT_KV(si, "huge", obj.huge);
    JR_FLT_KV(si, "zero", obj.zero);
    JR_OBJ(si, {
    JR_FLT_KV(si, "tiny", obj.tiny);
    JR_FLT_KV(si, "huge", obj.huge);
    JR_FLT_KV(si, "zero", obj.zero);
    JR_FLT_KV(si, "negative_tiny", obj.negative_tiny);
    JR_FLT_KV(si, "tiny", obj.tiny);
    JR_FLT_KV(si, "huge", obj.huge);
    JR_FLT_KV(si, "zero", obj.zero);
    JR_FLT_KV(si, "negative_tiny", obj.negative_tiny);
    });
    JR_FLT_KV(si, "huge", obj.huge);
    JR_FLT_KV(si, "zero", obj.zero);
    JR_FLT_KV(si, "negative_tiny", obj.negative_tiny);
    });
    JR_OBJ(si, {
    JR_INT_KV(si, "count", parsed.count);
    JR_FLT_KV(si, "temperature", parsed.temperature);
    JR_BOOL_KV(si, "enabled", parsed.enabled);
    JR_STR_KV(si, "message", parsed.message);
    JR_INT_KV(si, "negative_int", parsed.negative_int);
    JR_INT_KV(si, "zero_int", parsed.zero_int);
    JR_FLT_KV(si, "precise_float", parsed.precise_float);
    JR_FLT_KV(si, "small_float", parsed.small_float);
    JR_FLT_KV(si, "negative_float", parsed.negative_float);
    JR_INT_KV(si, "zero_int", parsed.zero_int);
    JR_FLT_KV(si, "precise_float", parsed.precise_float);
    JR_FLT_KV(si, "small_float", parsed.small_float);
    JR_FLT_KV(si, "negative_float", parsed.negative_float);
    });
    JR_FLT_KV(si, "precise_float", parsed.precise_float);
    JR_FLT_KV(si, "small_float", parsed.small_float);
    JR_FLT_KV(si, "negative_float", parsed.negative_float);
    });
    JR_INT_KV(si, "age", parsed_person.age);
    JR_BOOL_KV(si, "is_active", parsed_person.is_active);
    JR_FLT_KV(si, "salary", parsed_person.salary);
    });
    });
    JR_INT_KV(si, "age", parsed.user.age);
    JR_BOOL_KV(si, "is_active", parsed.user.is_active);
    JR_FLT_KV(si, "salary", parsed.user.salary);
    });
    JR_OBJ_KV(si, "config", {
    JR_INT_KV(si, "min_int", parsed.min_int);
    JR_INT_KV(si, "zero", parsed.zero);
    JR_FLT_KV(si, "zero_float", parsed.zero_float);
    JR_BOOL_KV(si, "true_val", parsed.true_val);
    JR_BOOL_KV(si, "false_val", parsed.false_val);
    JR_STR_KV(si, "name", data.name);
    JR_BOOL_KV(si, "active", data.active);
    JR_FLT_KV(si, "score", data.score);
    });
    JR_STR_KV(si, "head", data.company.departments.engineering.head);
    JR_INT_KV(si, "count", data.company.departments.engineering.count);
    JR_FLT_KV(si, "budget", data.company.departments.engineering.budget);
    });
    });
    
    JR_OBJ(si, {
    JR_FLT_KV(si, "distance", sym.distance);
    JR_STR_KV(si, "name", sym.function_name);
    });
    
    JR_OBJ(si, {
    JR_FLT_KV(si, "distance", sym.distance);
    JR_INT_KV(si, "nearest_neighbor_analysis_id", sym.analysis_id);
    JR_INT_KV(si, "nearest_neighbor_binary_id", sym.binary_id);
    
    JR_OBJ(si, {
    JR_FLT_KV(si, "distance", sym.distance);
    JR_INT_KV(si, "nearest_neighbor_analysis_id", sym.analysis_id);
    JR_INT_KV(si, "nearest_neighbor_binary_id", sym.binary_id);
    
    JR_OBJ(si, {
    JR_FLT_KV(si, "distance", sym.distance);
    JR_INT_KV(si, "nearest_neighbor_analysis_id", sym.analysis_id);
    JR_INT_KV(si, "nearest_neighbor_binary_id", sym.binary_id);

Share :

Related Posts

JReadNumber

JReadNumber Description Read a JSON number (int or float) from input string.

Read More

JReadInteger

JReadInteger Description Strictly read an integer from input string.

Read More

JR_FLT

JR_FLT Description Read a JSON float value from stream and assign to target.

Read More